4-4=?
四减四等于几?
One day, the teacher inquired Peter:
一天,老师问彼得:
"How much is four minus four?" Peter was tongue-tied.
“4减4等于几?”彼得张口结舌答不上来。
The teacher got angry and said:
老师生气地说:
"What a fool! You see, if I put four coins in your pocket, but there is a hole in your pocket and all of them leak out, now what is left in your pocket?"
“真笨!比如我给你衣袋里装进4个硬币,可你衣袋上有个窟窿,硬币全从这里漏掉了,那么,你衣袋里还剩下什么?”
"The hole." Replied Peter.
“还剩下个窟窿。”彼得答道。