一、引论早在公元前328年,亚里士多德就说过一句名言:“人在本质上是社会性动物。”[1]虽然他的本意是强调人的社会性,然而他同时也指出了一个很重要的概念,即人是动物。一千多年后,轰动世界的达尔文进化论告诉我们人类是由动物进化而来的。自然界的生存法则是优胜劣汰,“适者 I. INTRODUCTION As early as 328 BC, Aristotle said a famous saying: “Man is essentially a social animal.” [1] Although his intention was to emphasize human sociality, Also pointed out a very important concept, that is, people are animals. More than a thousand years later, the Darwinian theory of sensation tells us that humans have evolved from animals. The law of survival in nature is survival of the fittest, "suitable