There was a technique for negotiating the narrow corridors of the moving train without becoming black and blue, and by day two we had got the hang of it.
在开行的火车上走过狭窄的过道需要技巧，到第二天我们就掌握了诀窍。
There was a technique for negotiating the narrow corridors of the moving train without becoming black and blue, and by day two we had got the hang of it.
在开行的火车上走过狭窄的过道需要技巧，到第二天我们就掌握了诀窍。
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