Mother: Jack, why do you drink so much water?
Tim: I have just had an apple, Mum.
Mother: What's that got to do with it?
Tim: I forgot to wash the apple.
一个有用的方法
妈妈：“杰克，你干嘛喝这么多水呀？”
蒂姆：“我刚才吃了个苹果，妈妈。”
妈妈：“可是这跟喝水有什么关系呢？”
蒂姆：“我忘了洗苹果。”
