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店员:
Can I help you， Sir? 
我能帮助您吗？先生！
顾客:
Yes. I want to buy a Beijing tourist map.
是的。我想要买一张北京旅游地图。
店员:
I’m sorry， Sir， we are out of stock now.
对不起，先生。（它）现在卖光了。
顾客:
Could you tell me where I can buy one?
那么你能告诉我在哪里能买到吗？
店员:
You can look for it in the bookstore opposite from this street.
你可以去街对面的书店里去找一找。
顾客:
I see. Thanks.
我知道了。谢谢。