unit 483 兑换小额钞票

dialogue 
英语情景对话

A:Could you change these for me, please?
A:能为我兑换一下钱吗？

B:What would you like?
B:你想要什么面额的？

A:Twenties and some smaller bills, please.
A:请给我20元和更小一些面值的钱。

B:Anything else?
B:还有别的需求吗？

A:Yes. Could you tell many balance? Here's account number.
A:是的，能告诉我我的账户余额是多少吗？这是我的账号。