摘要

<正>警察:当你的手表被抢的时候,你为什么不大声喊叫呢?男士:如果我张嘴喊叫,他们就会发现我的四颗金牙。那样情况就更糟了!Policeman:Why didn’t you shout for help when you were robbed of your watch?Man:If I had opened my mouth,they’d have found my four gold teeth.That would be much worse.