+1. 把省钱的时间和精力花在挣钱上，也许最后手上钱更多。所谓机会成本。

来源: southmountainer 于 2015-04-11 07:46:32 [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.