A: Good afternoon, madam. May I help you? 下午好，夫人。需要为您效劳吗？
B: Yes, could you cash these traveler's checks for me, please? 是的，你能帮我把这些旅行支票兑现承现金吗？A: Certainly, madam. Sign your name here. And show me your passport, please. 当然可以，把您的名字签在这儿。请出示一下护照好吗？
B: OK. Here you are. 好的，给你。
A: Fine. How would you like them? I mean the denomination. 谢谢，您需要什么样的？我是指面值。
B: Oh, could you give me twenty dollars in small bills and ten dollars in change, please. 请把二十块换成小钞，十块换成零钱好吗？
A: No problem. Here's your passport, and here's your money. 没问题，这是您的护照，还有您的钱。
B: Thanks a lot. 多谢了。
cash 把支票兑换成现金
例句：I want to cash the balance of traveler’s letter of credit. 我要把旅行信用证的结余兑现。