And it's called divide and conquer for the obvious reason. I'm going to divide it up into sub-problems with the hope that those sub-problems get easier. It's going to be easier to conquer if you like, and then I'm going to merge them back. Now, in the binary search case, in some sense, this is a little bit trivial.

因此被称为分治的原因就这么简单,将一个问题分解成一些子问题,并希望这些子问题解决起来比较方便,正如你希望的，求解的过程也会变得简单,下面就是把结果合并起来,现在，在二分搜索的例子里,从某些方面来说，这有点微不足道。

麻省理工公开课 - 计算机科学及编程导论课程节选

An obvious reason how trains reinforce the predominance of Paris.

铁路线如何加强巴黎主导地位的,一个显著原因便是

耶鲁公开课 - 1871年后的法国课程节选

One reason for this is obvious; it's cheaper not to pay people, but the other reason is more interesting.

这样做的其中一个原因很明显;,不用付钱，当然就能省点了，但另一个原因更有意思。

耶鲁公开课 - 心理学导论课程节选