Customer: Waiter, I can't find any oysters2 in this oyster1 stew3.
顾客:服务员,我这个牡蛎炖菜里怎么没有牡蛎?
Waiter: Well, you wouldn't expect to find any angels in an angel food cake, would you?
服务员:是啊,你不会指望在天使蛋糕里发现天使吧?