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This is the easiest question all day, what is the bond angle between all of these?
这个问题很简单，键角是多少？
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But practice this, because it's something that's such an easy way to ask such a variety of questions.
但是你仍然需要好好练习，因为这个简单的用法能够提出各种各样的问题。
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Well, it's, you sort of know how you'd do it if this was grammar school right?
你怎么解决这个问题呢？,很简单？
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We'll devote a whole class to that down the road just a bit.
我们会用一整节课来简单讨论这个问题
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The question of survival can be asked about that very simple case.
对于这个非常简单的场景,我们可以问生存的问题。
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Now, I want to say one other quick thing before we get to the substance.
现在,我想简单提一点别的东西,然后我们再继续讲这个问题
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We call that a base case. It's basically the simplest possible solution to the problem.
我们说这是一个基础案例,这是这个问题最简单的解决方案。
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And I think this is best illustrated by giving you a simple little piece of code.
我认为给你看一段简单的代码,可以很好的说明这个问题。
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That's certainly one way to do it, but for computers that's not necessarily the easiest way. So another way of solving it is to do something we already saw last time, which is basically, why not simply enumerate all possible examples and check them?
将一个等式代入另一个等式，这当然是一种办法,但是对电脑来说这绝对不是一件简单的事,所以解决这个问题的办法，正如我们上一次看过的,非常基本？
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And so, if I do that, this now becomes really easy.
如果我这样做的话，这个问题就会简单点儿了。
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