经典句型:Could you tell me the exchange rate between U.S dollar and RMB today? 请问今天美元兑换人民币的汇率是多少?
　　A:Could you tell me the exchange rate between U.S dollar and RMB today?
　　甲:请问今天美元兑换人民币的汇率是多少?
　　B:It's 699 yuan for 100 dollars.
　　乙:699元人民币兑换100美元。
　　A:I'd like to exchange 1000 dollars.
　　甲:我要兑换1000美元。
　　B:Here is your money, please sign here.
　　乙:这是您的钱，请在这儿签名。
　　经典句型:I want to exchange 1000 US dollars to RMB 我要把1000美元换成人民币。
　　A:What can I help you?
　　甲:需要什么帮助?
　　B:I want to exchange 1000 US dollars to RMB.
　　乙:我要把1000美元换成人民币。
　　A:Today's rate is 6.88.
　　甲:今天的汇率是6.88。
　　句型讲解：
　　兑换外市时，要问当日的汇率，可以说What's your selling rate for RMB yuan in notes the dollar today?