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So, today we find ourselves in a very different novelistic world than we've been in for the last week and a half: On the Road.
今天我们将置身于一个完全不同于上周的,小说的世界：《在路上》
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Or in another example, maybe you met somebody at a social gathering last week.
在另一种情况中，假设上周你在一个社交聚会上见到了某人。
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Well, is this the same body as the-- as the long bone-- ? a fleshly bone that was here last week?
这个躯体-,和上周站在这里的-,那个躯体是一样的吗？
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But we know already from week zero that computers ultimately represent all information with numbers, and if they want to represent letters inside memory, well what do they do or what do they use?
但是自从上周我们已经知道,计算机最终是用数字来表示所有的,信息，如果它们要描绘,在内存中的字母，它们该怎么做，用什么方式呢？
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We talked about antibodies, we talked about them two weeks ago, we talked about them in section last week, uses of them.
我们讨论过抗体,我们在两周前讨论了抗体,上周的组会中我们讲到抗体的应用
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The thing that really emerged just in the last week or so is that of course monetary policy is about setting of interest rates.
在上周左右出现的现象,当然，货币政策的目的,是为了调整好利率水平。
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And in the group of poems that were assigned for a section last week, you saw Milton alluding to just this passage, although you might not have known it, in Revelation 14 whenever he would speak of the music of the spheres.
上周规定阅读的那些诗歌中，你们看到弥尔顿暗指了这一段，虽然你们可能不知道，在《启示录》第14章，每次他讲到天体音乐时。
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And, about a third of a way through that game there was a penalty, So keep at the back of your mind that the real world example that matters here is Portsmouth versus Liverpool this weekend.
大约在比赛进行了三分之一的时候,裁判判罚了一个点球,请大家注意一下,上周发生的事与这一讲有关的是,朴茨茅斯队对利物浦队的比赛
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I saw you on TV last week, you looked fantastic.
上周我在电视上见到你了，你看起来棒极了。
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The cookies were going back and forth and back and forth and the hearts up and down, well, this thing that we had that called a loop last week with a forever block with a statement inside of it is simply gonna look a little something like this.
这些饼干人来来回回的移动,还有这些爱心们上上下下地漂浮,都用到我们上周提到过的循环结构,当然还有个声明在里面，就有点像屏幕上,显示的这样。
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Shelly Kagan Here,right now I'm standing in front of you saying I'm Shelly Kagan, the guy who was lecturing to you last week.
现在我站在你们面前说我是，上周给你们上课的那个人。
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N But it's definitely not one and in fact it wasn't N in the case of Selection Sort because remember the algorithm we implemented on stage last week had me going back and forth across the stage selecting on iteration, the smallest person I can find, the smallest number and then putting them into place.
但在选择排序中，肯定不会是1，也不是,注意，上周我们在这儿,实现的算法中，反复地,迭代进行选择，选出最小的数,然后将其放在合适的位置。
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In the last week the Treasury bill rate on the United States four-week Treasury bill which is the standard 0.2% essentially three month it fell to 0.2%.
上周，美国月国库券的,国库券利率,一般作为标准来看,本质上，在三个月内，跌落到。
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Well recall from week zero when we took a very real world phonebook and then just last week we had our volunteer come up with the array of pieces of paper on the board and when I challenged myself and when I challenged our volunteer to find me the number 50 both he and I were able 50 to leverage one assumption.
大家回忆一下,当我们拿着一个现实世界的电话簿,就在上周我们的志愿者,在黑板上提出了纸片的阵列,我挑战自己，也挑战志愿者,要找出同一个,数字。
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So this is perhaps a site that some of you have spent way too much time on last year, if not in the past week or so, com this is isawyouharvard.com.
很多同学去年的时候,在这个网站上花费了很多时间，可能上周还玩了，这个网站的网址是isawyouharvard。
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And then on the right hand side I++, we saw that in pseudocode with our socks example last week that just says increment I.
然后是最右边的i++，我们上周在socks例子的伪代码中,曾经见到过，不是么？只是代表i加1而已。
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So we talked about Mr. Bool briefly last week in this idea of true or false, but in C, you don't have a Boolean data type.
我们上周简短地谈论过Bool先生的,真假的逻辑思想，但是在C语言里，没有布尔数据类型。
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That's not till Friday, and last week's two lectures are both available online at cs50.net.
那些课程也是直到星期五才出来，上周的两堂课,都可以在cs50，net找到。
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But here, as we saw in week zero with the shoe example putting on socks, I have to increment this variable explicitly myself.
但是这里，像我们上周看到的，鞋子穿在袜子上,我需要亲自明确地增加这个变量。
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So here I've hardcoded the word true which is actually deliberately inducing what we called what last week.
所以在这里我们可以把条件写死,也就是我们上周提到过的，故意让循环条件,一直为真。
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But because we're now programming a computer at a lower level and because as we said last week, you really have to be precise and then careful to instruct this machine, this fairly dumb machine that will only do what you tell it to do very specific instructions, do we have to use a more precise syntax than just a puzzle piece might have previously allowed.
但是我们是要在电脑的低平台上编程不是吗？,那我们就要像我上周提到过的那样，一定要小心，小心，再小心地,操纵这台又聋又哑的机器,它只会根据你敲进去的,特定指令来做事，所以我们必须使用非常精细的语法,而不是模模糊糊，让人费解的概念。
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We talked about this a little bit in section last week, when you eat vegetables or meat, you're eating a lot of DNA but that doesn't enter the cells of your body because of the barrier properties of cell membranes.
这个我们上周讨论会讲过一些,我们在吃蔬菜或者肉类时,摄入了大量DNA,它们之所以不会进入你的体细胞,就是由于细胞膜的这种屏障作用
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