Another concern is that trade partners may consider the G.M.rescue a form of government support barred by free trade agreements.

VOA: special.2009.06.05

And it's one of the things you may want to trade off.

这可能是你想要比较权衡的事情之一。

麻省理工公开课 - 计算机科学及编程导论课程节选

I may not want to do the full range of this, but I may decide I have to use a lot of gigabytes of space in order to do a trade off.

哈希成一个整数，我不想完整的去做这件事，但是我可以想像我需要用许多G的空间,去完成空间和时间之间的权衡。

麻省理工公开课 - 计算机科学及编程导论课程节选

The European Union predicts the bloc may begin to slowly recover next year, but only if the banking system and international trade pick up.

VOA: standard.2009.05.04

You remember he's written his father in "Ad Patrem" that the trade, the vocation of poetry -- it may be homely and slighted in his father's eyes, but it was of course worth all of Milton's time, all of Milton's uncessant care and investment.

他在写给父亲的Ad，Patrem中说，写诗这个职业在父亲看来或许,简单无趣，却值得弥尔顿付出所有的时间，精力，和投资。

耶鲁公开课 - 弥尔顿课程节选

Jamaica's ambassador to the OAS, Anthony Johnson, says countries may be tempted to erect trade barriers during tough economic times, but this is a mistake.

VOA: standard.2009.04.15

But increasing trade with African countries may be more complex than it at first appears.

VOA: standard.2009.08.08

"The scheme to radically change the sources and the cost of American energy, through a system known as 'cap and trade' may be well intentioned, but it will cost us dearly in jobs and income, and it stands no chance of achieving its objective of a cooler earth,".

VOA: standard.2009.05.30