Little Johnny says "Mom, when I was on the bus with Daddy this morning, 

小强尼说：“妈妈，今天早上和爸爸在公车上时，

he told me to give up my seat to a lady."

他叫我让座给一位女士。”

"You've done the right thing," says Mommy.　

妈妈说：“你做得很对呀。”

"But Mommy, I was sitting on daddy's lap."

“但是，妈妈，我是坐在爸爸膝盖上的。”