"But taken together,this bold, persistent experimentation has brought our economy back from the brink.

VOA: standard.2009.08.25

I'm narrowing it down. It's getting a little silly but you know I'm going to really be persistent and just follow the rules here of binary search, rather than jumping to conclusions.

按照二分法的规则来做的,而不是直接得出某种结论,很明显这儿我的目的是什么？,显示这两个相同的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选