What’s the exchange rate for dollars? 美元的兑换率是多少？
A: Good morning. I’d like to change some money, please.
A: 早晨好。我想兑换一些钱。
B: Certainly, sir. What currency?
B: 当然可以，先生。你有哪种货币？
A: Dollars. US dollars. I’d like to change them into yuan, please.
A: 美元。美国美元。我想把它们兑换成人民币。
B: How much do you want to change?
B: 你想兑换多少？
A: Two hundred and fifty dollars, thanks. What’s the exchange rate for dollars?
A: 二百五十美元，谢谢。美元对人民币的兑换率是多少？
B: It’s 8. Eight yuan to one dollar.
B: 是8。8元人民币兑1美元。