This is on purpose, because one of the things I hope you have learned to do this semester, is look up things you don't know, and figure out what they do. What they mean.

我举这个程序是有目的的，因为我希望你们这续期能学到,如何去查找你不知道的东西并，且弄懂它,们是干什么的，是什么意思。

麻省理工公开课 - 计算机科学及编程导论课程节选

For me the absolutely shocking fact of this simile ] is that its primary purpose is merely to describe the number of angels who are prostrate on the burning lake of hell.

为了他们悲惨的境遇黯然神伤,对我来说，这个比喻令人震惊的事实,是它最初的目的只不过,是为了描述葬身于地狱火海的天使的数量之多。

耶鲁公开课 - 弥尔顿课程节选