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Now I know how you like to tweet your female relatives "It says right here and we signed it."
我知道，你会在推特网上给你的女性亲友留言说,“这是法律条约规定的，我们已经签署了的“
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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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I have the skeletal structure written up there, I've written it twice and you'll see why in a minute.
我已经把它的骨架结构画在上面了，我画了两遍，等会你就会知道为什么。
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If in my thought experiment I say to my friend, "Well, I know why you're feeling that way.
如果在思维实验中，我对我朋友说，“我知道为什么你会有这样的感觉。
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Then, you've got to say, "What do I have to know about this object at the initial time?
然后,也许你会问,我需要知道物体初始状态的哪些信息呢
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Well, you wake up in the morning and it is raining and being the conscientious and reliable young people that I know you to be, you probably forget to do it.
嗯，你早上醒来，并且在下雨,作为一个认真的，可信赖的年轻人,我知道你会这样做，你可能忘记了做。
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Other people might say, well you know, I'm really an adventurer--I don't care too much about risk-- I want the much higher return.
其他的人可能会说，你知道的，我就是一个投机商我不怎么在乎风险-,我只想要更高的收益。
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Man, you're going to really make me work here, I have no idea if I can get it that far, ah your friend will help you out. Thank you.
我不知道我能不能扔那么远，你的朋友会帮你的，谢谢！,那位同学完全正确。
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If someone else had died, you know that you would consume them so " Right. But then you could say, "I know, but I lost".
如果是别人抽到了，那别人也得去死,对，但你可能会说，“我知道，但我后悔了。
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I have songs that just come to my head, you know,
我脑中会突然出现一些歌，你知道
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Well, I suppose one possible response would be, "You know, you couldn't really do that.
我想可能会有人回应说,你知道,你其实并不能真的那样做
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Yes, yes," you say, "I see exactly what he means."
你会说，“是的，是的，我完全知道他是什么意思“
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I know that it bothers you when he doesn't call.
我知道他不给你打电话，你就会生气。
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So when you know, "Okay, I have my idea.
所以当你知道的时候，你会说，“哦，我知道了。
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Listen, I know you fly.
听着，我知道你会飞。
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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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Computing square root. I'm going to capture it in a piece of code, I'm going to be able to refer to it by a name, and I'm going to suppress the details, meaning inside of that computation, you don't need to know what it does. You just need to know, if I give it the right kind of input, it'll give me back an input that satisfies the contract that I set up.
比如计算平方根,我会用一段代码来说明,我将给它命名,并且忽略细节,意思就是在这一段计算过程中,你不用知道它做了什么，你只需知道，如果我进行了正确的输入,它将会给我符合条件的输出。
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So, for those of you who have never heard French before, when you hear somebody say, "Je ne sais pas" you could say, "Remarkable!
因此,对于那些从未听过法语的人来说,当你听到有人说,"我不知道",你可能会说,"太神奇了
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Some of the things I said--you'd probably say, well I should have known that an insurance company would have to do that, but it isn't.
对于我说的一些东西，你可能会说，我早就知道,保险公司会如此操作，但事实并非如此。
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But notice what this does. The first thing it does is, it says, let's check and make sure x is greater than or equal to 0. If it isn't, notice what's going to happen. None of that block is going to get executed, and it's going to come down here and print out a useful piece of information, which says, hey, you gave me a negative number. I don't know how to do this.
做的是和以前一样的事情,但是注释它做了什么，第一件做的事情就是,程序说，要去检查并且确信x是大于等于0的，如果不是的话，请注意会发生什么,下面的代码都不会被执行,程序会到这里来然后显示一些有用的信息,信息会说，嘿，你给了我一个负数,我不知道该怎么弄这个了。
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So, you would expect that when you rip open the skull and look at the brain; you'd see something glorious, you'd see, I don't know a big, shiny thing with glass tubes and blinding lights and sparks and wonderful colors.
所以你会期待,当你打开头盖骨时,当你看到大脑的时候,你会看到些非常辉煌的东西,你会看见,我不知道,附有玻璃管的大块发光的东西,发出耀眼的光芒,不停地冒着火花,拥有美妙的颜色
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