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A君:
Excuse me. 
不好意思。
B君:
Yes?
干嘛？
A君:
Could you give me a favor?
能请你帮个忙吗？
B君:
Of course.
当然可以。
A君:
Where’s a taxi stand around here?
这附近哪儿有出租汽车站？
B君:
Go down this road and turn left, and you should walk about 500 miters and you would see the taxi stand.
沿着这条路往下走，然后左转，你接着要走五百米左右，然后你就能看到出租车汽车站了。
A君:
Thank you.
谢谢。
B君:
I am going here too, so we can walk together.
我也正要去那边，我们一起走吧。
A君:
Very good. I was taking the wrong bus.
太好了，我刚刚坐错公交了。
B君:
Oh, I see. Bad luck.
哦，我明白，真不幸。