EU Finance Commissioner Olli Rehn made the call after a first round of talks with Greek officials amid growing market expectations of a trade-off between new deficit cutting steps and practical EU support for Greek borrowing.

VOA: standard.2010.03.01

So in designing it, this was a trade-off that we made.

因此在设计的时候我们要权衡。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

That's a really a major trade-off in the application.

这就是我们进行调整后的结果。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

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