Mum: Why are you crying? Tommy: I cleaned the bird cage and the canary disappeared. Mum: How did you clean it?

• 他为什么哭?妈妈:你为什么哭啊?汤米:我刚才打扫鸟笼来着,金丝雀不见了。妈妈:你怎么打扫的鸟笼?汤米:用吸尘器,妈妈。