Oxygen from the lander kept them alive during the long trip back to Earth.

VOA: special.2009.07.29

I just kept sub-dividing down until I got really easy problems, and then I combine them back.

我不断的进行子分解,直到得到简单的问题，然后我再把它们合并回去。

麻省理工公开课 - 计算机科学及编程导论课程节选