我已经告诉你了
双语例句原声例句
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我已经告诉你了。
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你看。我已经告诉你了，如果你不小心，你会撞到他的。
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我肯定戴维已经告诉了你他生意上的麻烦。反正他欠钱不是什么秘密。
I'm certain David's told you his business troubles. Anyway, it's no secret that he owes money.
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So I haven't done magic, I've given you a really fast way to solve a knapsack problem, but it's still exponential deep down in its heart, in something.
所以我并没有施魔法，我已经告诉了你,一种快速解决背包问题的方法了,但是某些方面它的核心仍然是指数增长的。
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I don't need to tell you the volume here, because you've got enough information to calculate the volume.
这里我不需要告诉你体积，因为你已经获得了足够多的信息,来计算体积。
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What is this? This is a wonderful piece of abstraction. It is saying, you don't need to know squat about what's inside the body of this function. You don't have to worry about the parameter names, because they're going to be preserved, you don't need to worry about how I'm doing it, this tells you how you can use this, in order to use it correctly. Of course, I can then close it off, and off we go.
但是这能告诉你一些信息,这是什么？,这是一段完美的抽象,它的意思是你不需要知道,这个函数的内部构造，你不必担心参数是否重名，因为它们已经被预存了,你不需要担心我如何使用它,它告诉了你你该如何操作，从而正确的使用它，当然我也可以把它关掉。
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