Hen's Legs

　　Son: Why are hen's legs so short?

　　Dad: You're a fool. If the hen's legs were too long, wouldn't they drop their

　　eggs into pieces when laying?

　　母鸡的腿

　　儿子：为什么母鸡的腿这么短呢?

　　父亲：你真笨。如果母鸡的腿太长，它们下蛋的时候，鸡蛋岂不都摔碎了?