我也来个不用动脑筋的题目：bull ，cow ＆ beef。

来源: 于 2009-04-24 04:39:47 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

我的朋友justjust以前是做techinical support。前一阵子面试时被vp问了一个这样的题目：

a bull has one, but a cow has none. but if you eat a big chuck of beef, you will find two.
what is it?