At the Chicago White Sox U.S.Cellular Field on Chicago's South Side, the 30-year-old pitcher retired all 27 batters from the Tampa Bay Devil Rays without allowing anyone to reach first base, pitching a perfect game and putting his name in a record book occupied by only 17 others in Major League history.

VOA: standard.2009.07.24

It was Galileo's job, you'll remember, with his telescope to detect the otherwise undetectable spots and imperfections in this seemingly, but only seemingly, perfect moon.

你们还记得，通过望远镜，观测到这个看起来，却只是看起来完美无缺的,月亮上的黑点和缺陷，是伽利略要做的。

耶鲁公开课 - 弥尔顿课程节选

So true poetry for Milton, true prophetic poetry, the kind of song that can actually vie with the most perfect music of the spheres, is only accessible, and presumably only producible, by the virgin.

对于弥尔顿来说真正的诗，真正的预言诗,真正能和天国最棒的音乐竞争的音乐，大概只能由拥有童贞的人来创作。

耶鲁公开课 - 弥尔顿课程节选

But we'd like a model that yields an outcome that looks-- that when you only have two firms looks somewhere between monopoly and perfect competition.

但我们想要一个模型能带来这样的结果,即,当只有两家公司时,一个介乎于垄断和完全竞争之间的情形

耶鲁公开课 - 博弈论课程节选

The body theorist should say, The key to personal identity is having the same body, to wit,the same brain,to wit,enough of the brain to keep the personality going-- provided that there's no branching,no splitting,no perfect competitors,only one.

肉体主义者能说，个人认同感的关键就是拥有肉体，也就是说拥有足够支持人格继续的大脑-,在没有分支，分裂以及竞争者的前提下。

耶鲁公开课 - 死亡课程节选

So even though there's only two firms here, with price competition, identical products, we end up with an outcome that looks exactly like perfect competition, except for the fact there's only two firms.

尽管这里只有两家公司,进行某种产品的价格竞争,我们得到了,和完全竞争非常相似的结果,除了只有两家公司这个事实

耶鲁公开课 - 博弈论课程节选