有一个流传很久的故事：父亲给了兄妹俩一张馅饼，要他们分着吃。两人都坚持要一块大的，两人都害怕被对方欺骗了，要如何才能做到让双方都满意呢？父亲说：“这样吧，不管谁来切，但切的人必须让另一个人先挑。”这样，小男孩为了不致于“吃亏”，仔细把馅饼分成了同样大小的 There is a story circulating for a long time: his father gave the brothers and sisters a pie, asking them to eat separately. Both insisted on a big, both are afraid of being cheated by each other, how can we be satisfied with both parties? My father said, “Well, no matter who cut, but cut people have to let another person pick first.” In this way, the little boy in order to not “lose”, carefully pie into the same size