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If you are experienced, if you have, say, better ways of managing engineering team, this is a very good space you can be in.
如果你经验丰富，如果你有更好的管理方式，百度欢迎你加入。
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That's, and you have lots and lots of data, but you need some, you know, expertise to analyze the data,
虽然你有很多很多的数据，但你要知道怎么分析，
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So the moral here, again, is whenever you're doing an implementation of a simulation, you do need to have some underlying theory about the model.
所以这里的寓意还是,不管你在做什么东西的仿真程序，你需要有一个,模型的底层程序。
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If you did know how much time you had left, ? how would you act differently from what you're doing now?
如果你确实知道了自己还剩多少时间，你会和你现在的行为有不同吗？
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And so, even by units analysis, if the units come out right, you've got a good shot that unless you've really, really messed up, that the answer is going to be right.
甚至在单位分析中，如果你的单位正确，你就能做的很有条理否则会一团糟，而注意了单位你的答案才有可能正确。
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We can know this information even if we just knew that the bond was stronger, we wouldn't need to look at a graph here, because it turns out that if you have a stronger bond, -- that also means that you have a shorter bond -- those two are correlated.
我们依然可以得到上面的信息,即使我们所知道仅仅是这个键更强，我们不需要去看这个图，因为事实上如果你有一个更强的键，这也就意味着你有一个更短的键-,这两点是互相关联的。
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If you have a piece of scrap paper with you, suppose that you've started your program as follows.
如果你有一张废弃的纸张，假如你已经开始了以下的问题。
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The absolute number that you assign to it is something that's arbitrary. You have to set what the zero is. And so there's a well-understood convention for what the zero is.
你指定给它的绝对值是有任意性的,你需要设定零点的位置,因此有一个经过充分研究的,关于设定零点的约定。
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And it turns out that if you actually ask dying people, or really old people basically, "What do you regret from your life?"
结果发现，如果你问临终的人，或者很老的人，“你生命中有什么让你很后悔的？”
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If your dealer quotes you a discount rate of 2.51%, you know how to convert that into the price and that's all that matters--all that really matters is the price you have to pay.
如果经销商告诉你折扣率是2.51%,你要知道如何转换成价格,真正和你有关系的,是你需要付多少钱
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What we'll--later in the course we'll talk about how much of your body has been influenced by corn; how much of your diet is influenced by corn; how many products you touch in a given day have been derived in some way from corn.
我们会在以后的课堂上讲到,玉米对你身体有多少影响,玉米对你的日常饮食又有多少影响,一天之内你接触到的产品,有多少是由玉米加工而来的
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You can use it to show that you have or do not have, posses or do not possess, something tangible or intangible.
你可以用它来表示你有或者没有的东西，不管是这些东西是有形还是无形，都可以通用。
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You know probably that within your bone marrows there's populations of cells, there are different kinds of cells within the bone marrow.
你也许知道的,在你的骨髓里,有许多种细胞,骨髓中有不同种类的细胞
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What they have to do in order to feed the population, you have to have more land.
要怎么做才能养活这么多的人呢,你得有更多的土地
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And you got to come to your mortality So you got your history.
然后你就会面临死亡,你有你的过去伴随着你。
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Ryan. Ryan, I must have you here as well, never mind. What did you choose?
瑞恩,我这儿肯定也有你的数,不要紧,你选了什么
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You've got horses which you need for the army but also which they start slaughtering; you've got cattle but you have enough food to last for maybe a month; there's always a lot to drink because of the caves, that is, the wine cellars that people had, but things get worse and worse.
你有军队所需的马,但是士兵会把马杀来吃,你有牛,但是这些食物只能,维持大概一个月的时间,喝的东西总是不缺的,因为他们有酒窖,就是用来储藏葡萄酒的酒窖,不过事态还是变得越来越糟
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But it's something that if you learn enough about it, and you'll be able to find the rhythm
但当你学到足够多的时候，你会有一定的语感，
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You spend time looking for the article and when you find it, there are two different colors.
你花时间找你想要的东西，而当你找到了，有两种不同的颜色。
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Let's say your friend is a really great worker and your boss comes to you and says,
假设你有个朋友工作认真负责。有一天你的老板找到你，跟你说，
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You said you have a friend who's an artist. Have you ever bought one of their paintings?
你说过你有个朋友是艺术家。你买过他们的画吗？
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.. How valuable-- how well off you are, how valuable your life is, is a function of the contents, the pleasure and the pain.
生命的价值-,你有多幸福，你的生活有多少价值，是生活内容的函数，即快乐与痛苦的函数。
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That sort of thing. Makes a big difference to just get that set of eyes.
都是这样的错误,借旁观者的慧眼会对你有很大的帮助。
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And then the questions come out and they're questions like, " "How much do you love your country?"
然后问题会出现在屏幕上，比如，“你有多爱你的国家“
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You'll learn a lot more about this if you take organic chemistry, but, In fact, you can then go on and make a bunch of other different kinds of very interesting molecules.
如果你选了有机化学课，你会对它有更多的了解，但是，实际上，你可以继续制造出一堆,其它不同类型的有意思的分子。
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If you could get to zero degrees Kelvin, you'd get perfect efficiency, 0 but you can't get to zero degrees Kelvin, you can't. Even if you have an infinite amount of resources, you can't get there.
如果能达到，你就能获得完美的效率，但你得不到，得不到，即使你有无穷多的资源,你也做不到。
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So I want to welcome you, I really want to invite you, whenever you've got some reactions to the things that I'm saying, raise your hand, I'll call on you.
所以我欢迎你，我真的邀请你，无论什么时候,你对我所说的有回应，举起你的手，我会叫你的。
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Because, as I said, you can only drive one car at a time and if you've got ten of them in the garage, then it doesn't really do you much good.
正如我说的,你只能一次开一辆车,但如果你的车库里有十辆,它实际上并不会给你带来更多的好处
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Now these parts of the world are shrinking in the number; but let's say you lived in Ethiopia or Somalia, or places where food really is scarce way too much of the time, then having this particular biological drive, having a brain that wants you to seek out these foods would be highly adaptive.
现在这些地区的数量正在减少,但如果你生活在埃塞俄比亚或是索马里,或是当前食品十分短缺的地区,那么拥有这种生物驱动力,拥有不断驱使你去寻找食物的大脑,会让你有极强的适应能力
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Turns out that once you get past the hormonal blast of adolescence about 10% of dreams have explicit sexual content.
研究还发现一旦你过了,荷尔蒙旺盛的青春期,你有10%的梦都是和性有关的。
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