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Dialogue Six   Money Exchange  
 
 exchange
vt. 调换,交换
The store will not exchange goods, without a receipt.
那家商店没有发票不给换货。
交换,兑换
What’s the rate of exchange between the dollar and the pound?
美元和英镑之间的兑换率是多少?
n.
 currency
n. 通货,货币;通行,流行
Tourism is the country’s top earner of foreign currency.
旅游业是这个国家赚取外汇的主要来源。
The rumor soon gained currency.
谣言很快就传开了。
His theory of social contract has wide currency in America.
他的关于社会契约的理论在美国很流行。