You have closed end funds, trade as a security listed on the stock exchange, but what they do is own other securities.

假如你持有封闭式基金，这种基金在证券交易所作为一种债券进行交易，但是实际上它们做的是持有其他债券。

耶鲁公开课 - 金融市场课程节选

What is the exchange rate between the U.S. dollar and the Swedish crown?

美元和瑞典克朗之间的汇率是多少？

来自瑞典 - SpeakingMax英语口语达人

The point is that they have received what they have through the free exchange of people who have given them their holdings, usually in exchange for providing some other service Good enough.

关键是，他们赚到的这些钱,都是通过与人自由交换得来的,那些人也得到了报酬，通常是以提供其他服务作为交换的,很不错。

耶鲁公开课 - 公正课程节选

But much of the exchange with Thrasymachus turns on the problem of what kind of knowledge justice involves, and justice is a kind of knowledge.

而与，Thrasymachus，交锋,所激发出的问题是,何种知识是正义所包含，及正义是一种知识。

耶鲁公开课 - 政治哲学导论课程节选

What do you think is the advantage of being an exchange student?

你觉得交流生的优势是什么？

做交换生来到这里 - SpeakingMax英语口语达人