曾经有这样一个故事:从前有个人坐在井边哭,过往的人问他缘故,他说自己的五分钱掉在井里了。有好心人安慰他道:“不要难过了,我给你一毛钱吧。”谁知那人还是哭个不停。别人有点不解了,就问他为什么还要伤心。只听他回答道:“要是先前那五分钱不丢,我现在不就有一毛五了吗…… Once there was such a story: in the past someone was sitting on the edge of a well crying, past people asked him why, he said his five cents dropped in the well. Good-hearted people comfort him: “Do not be sad, I give you a dime.” Who knows that person still crying non-stop. Someone puzzled, asked why he was sad. Just listen to him and replied: "If the previous five cents do not lose, I do not have a hair five now ......