How do you deal with that trade-off where you absolutely need an ad sales force but at the same time, if one person at a time, you just can't say let's go out and hire five good engineers or five good ad sales people and not have them be great?

如何做出选择，如何取舍,当你急需一批销售人员，但如果只碰见一个合适的人选，你不只能因此去找,5个差不多的工程师,或者5个差不多的广告销售？

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

So, after clips of five seconds people are pretty good at predicting what sort of evaluations that person will have.

看了五秒钟的教学录像带后,人们就能准确地猜到,这个人的教学评估上写了什么。

耶鲁公开课 - 心理学导论课程节选

We die while it's still the case that living another ten years or twenty years or for that matter five hundred years-- would still or could still have been good for us.

我们死的时候,接下来的十年，二十年,或者五百年-,对我们可能是美好的。

耶鲁公开课 - 死亡课程节选

Some people argued that there are certain things that are just categorically wrong even if they bring about a good result, even if they saved five people at the cost of one life.

有些人认为,某些行为反正就是绝对错误的,即便该行为产生了好的结果，即便能牺牲一人挽救五人性命。

耶鲁公开课 - 公正课程节选

If you had five slaves and a good piece of land in Alabama in 1820, you might very likely have fifty slaves and a hell of a lot more land a decade later.

820年,如果你在阿拉巴马州,拥有五个奴隶和一块肥沃的土地,十年后你很可能就会拥有五十个奴隶,以及更多的土地

耶鲁公开课 - 美国内战与重建课程节选

Good. So we have five possible d orbitals.

我们一共有5个可能的d轨道。

麻省理工公开课 - 化学原理课程节选