一定要在同一物种同一社会下比较，才科学

来源: Biabia 于 2013-09-03 07:00:57 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.