应该说涉及的面儿很广，哲学，心理学，数学。。。挺多的

来源: 京师烧刀于 2012-11-20 10:22:31 [博客] [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.