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As you put a dollar in treasury bills, you end up with a nineteen multiple; that sounds pretty good.
比如你用一美元买了短期国库券,最终你的投资会翻19倍,听上去很不错吧
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And you don't speak the language, but you do speak English because you've mastered these simple patterns.
你并不会说当地的语言，但你已经掌握了这些简单的句型，能够用英语交流。
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You divide and you find it's 9 and you say, "Okay, I know what to do with Newton's laws."
除一下,会得到 9,然后你说,"好了,我会用牛顿定律了"
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It gets really kind of trippy if you wanna output a backslash, \ you can't just use the backslash, \\ you need to use backslash backslash because otherwise a single backslash is confused with the so called escape character.
如果你想输出一个反斜杠，估计又得迷糊了，实际上，你不能直接用，而是要,否则一个\可能会被误认为,是转义字符。
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And the idea is that when you do these Lewis dot structures, we're representing electrons with dots, which we'll see in a minute, and each dot is going to represent a valence electron.
而当你遇到这些路易斯点结构时，我们会将电子用点来表示，我们马上就会看到，每个点都代表了一个价电子。
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In The Iliad, as you can see, the warrior Glaucus uses the simile of the leaves to dismiss the importance of genealogy.
在里，你们会发现，武士格劳休斯,用了落叶的比喻来降低家族谱系的重要性。
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And Piaget's claim was one reason why they're surprised at peek-a-boo is you go-- you look at a kid, the kid's smiling and go, "Oh, peek-a-boo," and you close--and you cover your face and the kid says, "He's gone."
皮亚杰认为,他们对捉迷藏感到惊奇的一个原因便是,你凭空消失了,你看着婴儿,婴儿会对你笑,然后你和他玩捉迷藏,"躲猫猫",你用双手遮住了你的脸,婴儿会以为,"他不见了"
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I barely know how to use a cell phone let alone a computer, you know,
我勉强会用手机，更不要说电脑了，你知道，
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In fact, my program crashes because I end up trying to divide by zero, a really bad thing. Hint: if you implement Newton's method, do not make your first guess zero.
我下一步都没法开始,实际上，我的程序会崩溃，因为我试着去除0了，真糟糕,提示你：如果你想用牛顿的方法，第一个猜想数别设为0。
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Next time I'm actually going to take this a bit further but I'm going to leave this game behind and look at other ways in which we could study imperfect competition using Game Theory.
下一讲我们讲得会更深入一些,但下一讲我们不讲这个案例了,我们用其他博弈方法研究不完全竞争
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Once you have registered, if some other slots become available that weren't previously available, I gather you'll be sent some sort of email by the system, in case some other time would be better for you.
一旦你注册了，之前的有些项目,就可用了，系统会用邮件方式向你发送，让你的时间更方便。
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because they use it, and maybe next year, they're not using.
他们现在会用这东西，但到下一年，他们大概连碰都不碰了。
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Since then, since we know about atoms and molecules now, we can rationalize the concepts of thermodynamics using microscopic properties, 62 and if you are going to take 5.62, that's what you'd learn about.
既然我们现在已经知道了原子和分子,的概念），我们可以用,微观属性,来阐释热力学中的概念，如果你会选修5。,-那是你将要学到的。
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On--this week because the first concept sheet is different than the rest -you were using the Daily Plate Dietary Assessment -we'll send out this week a sample concept sheet.
这周,因为第一周的观点报告,与众不同,你们用了日常饮食评估表,我们这周会下发一个观点报告范例
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Of course, it's in minor and the voices will come in, but the bass is going, sort of plodding along in a basic duple but with a triple subdivision underneath of that.
当然,它是小调的,人声将会进入,但低音是这样,按基本的二拍子缓慢地行进,但在那下面还用了一个三连音的节奏细分
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I don't find that my analysis is profound in the final answer, I just took some estimates using my data and, again, we could-- if someone wanted to argue with us they could argue with my estimates of the expected returns of the standard deviations and the covariances, but not with this theory.
我在计算过程中并没有做太深入的分析，我只是用我的数据做了一下大概的估计,我再说一次，我们可以-,如果有人想就这个问题与我们争辩,他们可以争论我对期望收益的估计,或是争论标准差和协方差的估计值，但并不会针对理论本身。
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And indeed Judah, the one who had figured so prominently in the sale of Joseph, that had crushed his father, Judah steps forward and offers himself instead of Benjamin: he says: It would kill my father now to lose Benjamin, the last son of his beloved wife, Rachel.
但确实是犹太，他在卖掉约瑟夫时作用重大，他击溃了他的亲身父亲，他向前一步，提出用自己交换本杰明：,他说：，现在失去了本杰明，我父亲就会死去，他是父亲爱妻Rachel的最后一个儿子。
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We're going to really get into this next class, but I just want to introduce it to you to give us a start, and many of you have used Lewis structures in high school, but we'll be doing some much more challenging Lewis structures, I can assure you, in this class here.
其实我们下节课才会详细介绍它，但是今天我只想以简单介绍作为开始，大部分同学在高中就用过路易斯结构了，但是我们会遇到一些更具挑战性的,路易斯结构，我可以向大家保证，在这门课中会的。
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I'm using the fact that when you take a cosine and change the angle inside the cosine, it doesn't care. whereas, if you go to the sine and change the angle inside the sine, it becomes minus sine.
我用了一个结论,当你使用余弦函数时,改变角度的正负,函数值不变,而对于正弦函数,改变角度的符号,则函数值也会变号
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Now you might wonder, why do we have dictionaries?
现在你们可能会有疑惑了，我们用字典来干什么呢？
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But that little short hand there is doing exactly the same thing. It is adding that value into some digits and putting it back or signing it back into some digits. And I'll walk through that loop and when I'm done I can print out the total thing does. And if I do that, I get out what I would expect.
加上得到的这个数的,但是这个缩写声明其实是进行了同样的操作,它把我们得到的这个数加到一个数上面去,然后用和对这个数进行了重新赋值,在循环中会去遍历字符串，当完成循环后,程序会显示数字的总和，如果我运行，这个程序的话，我会得到我期待的结果。
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So we have if, and that is followed by, I'm going to use angle braces here just to indicates something goes in here, some test followed by a colon.
那么我写了if，后面跟着，我这里会用一个角括号,来代表这里有些东西，冒号后面跟着一些测试。
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You use such and such frequencies, and which objects, and you hand him an apple and he'll say, "Oh, it must be very red," Right?
知道你用了多少多少频率的光,是哪些物体,然后你递给他一个苹果,他会说,哦,这是个很红的苹果吧,是这样吗
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And now someone else perhaps, why did I include this -l switch followed by "cs50" at the tail end?
现在有些人可能会问：,为什么我在用“cs50“结尾时，又在它之前,加了个“-l“命令？
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After a while, you won't have room in your head for anything.
过段时间你就会发现脑袋不够用了
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So it's going to express this gene, but you've put a foreign gene in the place of the natural gene, and so the foreign gene gets expressed instead.
所以它就会表达这段基因,但是你已经用一段,异源基因替代了原有基因,因此这段外来基因就被表达了
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And it's a topic I want to pick up on today, we're going to do for the next few lectures, and it's a topic I want to spend some time on because this idea of capturing data and methods, the term we're going to use for it, but data and functions that belong to that data, things that can be used to manipulate them, is a really powerful one.
我们会在今天讲这个话题,在后面几节课还会讲这个,这是个我愿意花点时间，在上面的话题因为这是个,捕获数据和方法的思想,我们用这个术语来形容它，数据中包括了数据和函数等，能用来操作它们的东西,真的是很强大的工具，我们真正要讲的东西是，我们要学会如何把信息。
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Yes. I've had it also many times, you usually get novacaine for cavities.
有，我也用过很多次了，通常在治疗蛀牙的时候会用到它。
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The problem is Freud had a very sort of hydraulic theory of what goes on, and some of this stuff slips out and it shows up in dreams and it shows up in slips of the tongue.
问题在于,弗洛伊德用所谓的液压理论,解释了发生的事情，有些受到压抑的欲望,会通过梦境和口误而表现出来。
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