So this looks like it's doing a little bit of extra work, but you can see, if you look at that how it cuts it down at each stage.

它就做了很多多余的工作,如果你认真看，你能看到每个阶段,它是如果缩减查找空间的，我要告诉你。

麻省理工公开课 - 计算机科学及编程导论课程节选

And if you just look at the numbers, you can see how it cuts in from one side and then the other side as it keeps narrowing that range until it gets down to the place where there are at most two things left, and then it just has to check those two to say whether it's there or not.

你能看到他是如何不断的，从一个大的范围被拦腰劈开,知道最终只剩下两个数字,然后就只需要,比一比就知道结果了,将它同线性查找比较下。

麻省理工公开课 - 计算机科学及编程导论课程节选

And you can kick it down the road ... but somebody down the road... I think it's very important to make the tax cuts permanent to prevent the taxes from increasing It would be really a large drag on the economy.

你可以视若无睹,但总得有人来。,我认为，长期实行减税政策十分重要,这样可以避免税率增加,否则会极大地阻碍经济发展。

斯坦福公开课 - 经济学课程节选

So it cuts it down quickly as we go along.

我们把它缩减的非常快。

麻省理工公开课 - 计算机科学及编程导论课程节选