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汤姆:
Can you help me out? I'm trying to find a post office. 
您能帮我吗?我想找一个邮局.
凯西:
Go three blocks and make a right. It's right there.
穿过三条街向右转.就到了.
汤姆:
Should I take the bus?
需要做公交车吗?
凯西:
No. It'll only take about five minutes to walk.
不需要.走路只要五分钟.
汤姆:
Thank you very much.
谢谢.
凯西:
Any time.
不客气.