For example, many street corners in Paris,France show the work of an artist known as Space Invader.

VOA: special.2009.04.08

But it grows pretty rapidly, as n goes up, and I'm going to show you an example in a second.

解决问题需要的时间会急剧增长，一会儿我会让大家看个例子的,我想大家注意的还是。

麻省理工公开课 - 计算机科学及编程导论课程节选