【A】
Mary：The cover of this book is damaged. Do you have any other copies? 
这本书封面破了，请问就剩这一本了吗？
John：Is that the only copy on the shelf? 
架子上就只有这一本吗？
Mary：Yes, just this one. 
对，就这一本。
John：Hold on, I'll check for you…Sorry, we only have that one. 
请稍等，我查一下……不好意思，就剩这一本了。
Mary：Aw, really? I really want to buy this book. 
哦，真的啊？可我真的很想买这本书。
John：We'll have an order with new copies of this book in three days. You can buy it at that time. 
我们三天后就会再进货，您可以过后再来买。
Mary：Alright, thank you. 
好吧，谢谢。

【B】
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。