听力原文

A：What else, Ma'am?
还要别的吗，女士？
B：No, thanks. My husband said, We'd like to pay now.
不用了，谢谢。我丈夫说,我们现在要去付款。
A：Let me show you to the cashier's. It's 905 yuan in total.
我带你们去收银台。 一共是905元。
B：What? Where does that five come from?
那5元是怎么来的？
A：Oh, it's a service charge.
哦，那是服务费。
B：But I only have 900 in cash here. Can you let it go for 900 yuan?

但是我们只有900元现金，就900元可以吗？
A：Sorry, but we can't do that. It's store's rule.
对不起，但是不可以，这是商场的规定。
B：My husband said he had a credit card. Do you accept credit card?
我丈夫说他有信用卡，你们受理信用卡吗？
A：Yes.
是的。
B：Great. Here it is.
太好了。给你。
A：Here is the receipt. Wanna to have it wrapped, Ma'am?
这是发票。您需要包装吗？
B：Yes, please. Thank you very much.
是的。非常感谢。
A：It'll be great to have you again.
欢迎下次光临。
B：Thank you very much.
谢谢。
Note:

详细解析
注释:

cashier n. 收银员
in total 总共
rule n. 规则
credit card 信用卡
wrap vt. 包装
1． Can you let it go for 900 yuan?
直译：你可以让900元走吗？意思为：我可以花900元买它吗？这里是要求收银员把零头抹去的表达方法。
2． It'll be great to have you again.
这是欢迎下次光临的正确表达方法，而不可以说成：Welcome back again”。

3.have it rapped.

直译：把它包起来。意思为你想（让我）把它包起来吗？这里是一个使动用法，指让别人帮你去做某件事情。