Mary：I’ll buy these two books.

我买这两本书。

John：Do you have a membership card?

请问您有会员卡吗？

Mary：No, I don’t.

没有。

John：The total price is 56 Yuan.

那一共是五十六元。

Mary：Here you go. I need an invoice and this is the name of my company.

给你。我要发票，这是单位名。

John：Sure thing. Here’s the invoice and change.

好的. 给您发票，还有零钱。