This means she will do something for me, if I do something helpful for her in exchange.

VOA: special.2010.01.24

I personally love to shop at Armani Exchange

我个人喜欢在阿玛尼购物。

享受周五夜晚 - SpeakingMax英语口语达人

I was only myself, Sal Paradise, sad, strolling in this violet dark, this unbearably sweet night wishing I could exchange worlds with the happy, true-hearted, ecstatic Negroes of America.

引-我只是我，萨尔·佩拉提斯，无精打采地徘徊在这个，温柔的难以忍受的夜晚，多希望自己能够变成,一个快乐，真诚，热情奔放的美国黑人。

耶鲁公开课 - 1945年后的美国小说课程节选

"I don't remember any one in particular. I mean,they're pretty much the same, like we'll just celebrate, exchange cards, may go out to dinner.

VOA: special.2010.02.08

and I think that's something they can experience when they go on exchange to another university.

我觉得这是交换到别的大学的学生可以体验到的。

做交换生来到这里 - SpeakingMax英语口语达人

"I happen not to know the answer." Some analysts think Amiri's return could mean an exchange for Americans held in Iran.

VOA: standard.2010.07.13

and talking to other people ,I thought that is a very healthy thing to do and as Zvi happened to live in my dorm and I thought it would be a great opportunity to exchange ideas, and to get to discover more.

和其他人聊天，我觉得这是,非常健康的事情,正好Zvi和我一个寝室,我觉得,我们有机会交换想法，了解更多。

普林斯顿公开课 - 人性课程节选

I studied there for 4 months as an exchange program

我在那里学习四个月，是一个交换项目，

我喜爱的城市 - SpeakingMax英语口语达人

I've been working with the Chicago Mercantile Exchange to create a futures market for single-family homes, which is sort of my connection to the futures industry.

我一直以来和芝加哥商业交易所合作,创建一个适合单一家庭的期货市场,这是我参与期货行业的一种方式

耶鲁公开课 - 金融市场课程节选