人的性格,一生中并非一成不变。许多人时隔几十年再遇到小学同学往往会发现,世事沧桑似乎已使对方变了一个人。德国近日公布的一项抽样调查分析结果从统计学角度证实了这一点。 Human character, life is not static. Many people who meet elementary school after a lapse of several decades often find that vicissitudes of life seem to have changed one another. The results of a sample survey conducted recently by Germany confirm this statistically.