exchanges
n. 交易所， 票据交换总额；市场，外币兑换（exchange 复数形式）
例句
On the foreign exchanges, the U.S. dollar is up point forty-five.
在外汇交易所，美元上涨了0.45个百分点。
《柯林斯英汉双解大词典》
Cultural exchanges are a way of building bridges between countries.
文化交流是各国之间建立联系的纽带。
《牛津词典》
Exchanges are necessary.
交换是必要的。
