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I can see the buildings around here are new. Do you know why?
我发现这里所有大厦都是新的。你知道为什么吗？
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But, you know why not do something a little special, little different, and they decided instead to use lithium.
但是你懂的，为什么不做的更特殊，更与众不同一些呢？
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Do you know why this place is called "Land's End"?
你知道为什么这里被称作“天涯海角”吗？
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Usually when you know why it's not working, it's obvious what you have to do to make it work.
通常你明白了出错的原因后，很明显你必须让程序正常运行起来。
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And, as you know from reading the textbook, why do I mention Nora Jones?
大家在教科书里能找到,我为什么要提起诺拉·琼斯
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So, the radical idea here is you might not know what--why you do what you do and this is something we accept for things like visual perception.
由此引出的一个偏激的观点,你根本不知道自己为何要这么去做,这有点像我们获得视觉感知的过程。
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Some of you are probably going to be doctors and you don't know why I'm going to do special relativity or quantum mechanics, but you don't know when it will come in handy.
你们中的有些人可能会成为医生,但你们现在不能理解,我为什么要讲相对论和量子力学,但是说不定什么时候,你就用上了呢
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The section when you do today is always the most popular section of the year, you'll know why after the section, and you can tell me afterwards if you think you figured out why.
今天你们要做的分组讨论,一直是每年最受欢迎的部分,讨论完了你们就明白了,如果你明白了的话,课后告诉我
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and you know like, "Why do you want to learn?" "So you can make money."
然后你可以问“为什么想学习？”，“可以赚钱”。
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Thing I've got a little procedure that could do that, but you know the simplest thing I could do is to say well, gee, wait a minute, why don't I just check to see if these are the same thing?
这两个点是同一个点么？,我已经写了一小块代码，可以提供这个功能,但是你知道的我可以做的，最简单的事情就是说好，嗯？,等等，我为什么不直接去看看,这两个东西相等不相等呢？
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PROFESSOR: Great question. So the question is, how do you choose an algorithm, why would I choose to use a pseudo-polynomial algorithm when I don't know how big the solution is likely to be, I think that's one way to think about it.
教授：问得好，所以问题是，你怎样选择算法，为什么当我,不知道解决方案会有多大的时候,我要选伪多项式算法呢，我想这是一种思考问题的方式。
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