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罗斯:
Excuse me, is this the right train to London Station? 
打扰一下.请问这是到伦敦站的火车吗?
乔伊:
Yes, it is.
是的.
罗斯:
Is it the express or the local train?
这是快车还是慢车?
乔伊:
This is the express.
这是快车.
罗斯:
What are the differences between the express and the local train?
快车和慢车之间有什么区别?
乔伊:
The express will save you a lot of time, and the local train stops at every station. Of course, the express costs more than the local train.
快车可以节省很多时间.慢车每站都停.当然了.快车要比慢车贵一些.
罗斯:
I am still not sure when the train leaves?
我还不清楚火车什么时候离开.
乔伊:
About 3:00.
大概三点.
罗斯:
When should I board the train?
我应该什么时候上火车呢?
乔伊:
You can listen to the station announcement.
你可以听一下火车站的广播.