Things will go much better if people of the same trade make up the other's deficiency from their own surplus.

同行业之间互通有无，调剂余缺，事情就好办得多了。

youdao

Dealers are required to make the trade-ins unusable by destroying the engine, then recycle the old vehicles into scrap metal.

VOA: special.2009.08.07

You could trade it in for those things that you didn't make yourself and needed.

你需要交换那些你需要,但又不能自给自足的东西

耶鲁公开课 - 古希腊历史简介课程节选

that deals specifically with the issues of human trafficking, or maybe they make fair trade clothing

专门处理人口贩卖组织或者是生产公平贸易服装的非营利组织.

关于自由和时尚 - SpeakingMax英语口语达人

Restrictions on immigration and international trade make the poor poorer than they would otherwise be.

FORBES: Libertarian Compassionomics?

He noted, however, that it would be up to Congress to make sure "reliable and affordable energy" was available, to approve legislation for expanded trade and make his tax cuts permanent.

CNN: Bush: Prevail in war, defeat recession

Could a nation facing huge trade deficits make its cash cards useless for buying imported products?

CNN: ASIANOW - Asiaweek