对话文本
A: Excuse me...

B: Yes, sir. How may I be of service?

A: I would like to return this item... Are refunds allowed?

B: Certainly. The customer is always right, we are here to serve you. Is there a reason that you would like to return it? Did you have problems with our product or services?

A: No, no... It was just the wrong size.

B: Would you be interested in an exchange as opposed to a refund? I think I can help you to find the appropriate size.

A: No. I would rather just return it.

B: Sure, no problem. Do you happen to have the receipt?

A: Yeah, right here.

B: Ok, just a moment, please. Here you are, I need you to sign here, please. And here is your refund. Is there anything else I can help you with?

A: No, thank you.

B: You're welcome. Have a nice day!
参考翻译
打扰一下...
是的,先生,需要什么服务吗?
我想把这个东西推掉...可以退款吗?
当然可以.顾客总是对的,我们随时为您服务.为什么要退掉?您对我们的产品和服务有什么问题吗?
不,不是的...只是大小不合适.
那你想调换一下还是要退款?我想我能帮你找到合适的尺寸.
不用了.我还是想退掉.
当然可以,没问题.你带收据了吗?
带了,在这儿...
好的,请等一下.给您,请在这里签字.这是你的退款.还有什么需要我帮忙的?
没有了,谢谢你.
别客气.祝你一天都开心!
核心词汇词组
refund:a sum of money that is paid back to you, especially because you paid too much or because you returned goods to a shop/store 退款;返还款;偿还金额
a tax refund 税金退款
to claim/demand/receive a refund 要求／接受退款
If there is a delay of 12 hours or more, you will receive a full refund of the price of your trip. 如果耽搁达到或超过 12 小时,你会得到旅费全额退款.

as opposed to:used to make a contrast between two things (表示对比)而,相对于
200 attended, as opposed to 300 the previous year. 出席的有 200 人,而前一年是 300 人.
This exercise develops suppleness as opposed to(= rather than)strength. 这项锻炼不是增强力量,而是增强韧性的.

receipt:a piece of paper that shows that goods or services have been paid for 收据;收条 countable ~ (for sth)
Can I have a receipt, please? 请给我开个收据,好吗?
to make out(= write)a receipt 写收据