As you have discovered in recent problem set, it is possible to construct all subsets of a set.

正如你在最近的问题集中发现的，构建集合的所有子集是可行的。

麻省理工公开课 - 计算机科学及编程导论课程节选

This will probably come as a surprise to some of you that Aristotle discovered America but I will get to that in a minute.

这也许,对某些同学而言是个惊奇,亚里士多德竟然发现美国,但我马上就会加以解译。

耶鲁公开课 - 政治哲学导论课程节选

They're sort of bad things that could happen to you One particularly trendy sleep disorder that's been discovered recently are side effects of sleeping pills such as Ambien.

这时你睡觉时会遇到的,其中一个现在很多人研究的睡眠障碍是,最近发现的,服用安必恩这样的安眠药有什么副作用。

耶鲁公开课 - 心理学导论课程节选

Well, now one of the things farmers in history discovered is that it's very hard to do well as a farmer if all you do is grow the crops, because people normally don't use what you grow in the form in which you grow it.

关于农民我们在历史上能够得知的一件事是,当好农民很困难,特别是只种农作物的农民,因为人们一般不会将,你从地里种出来的东西留作种子

耶鲁公开课 - 古希腊历史简介课程节选