送交者: skipper3 于 2005-2-02, 13:51:16:
回答: 不能又当婊子又立牌坊 由 Enlighten 于 2005-2-02, 13:41:19:
If the cost of 又当婊子又立牌坊 is lower than its benefit, he is doing the right thing for himself. If the the social benefit of everyone being 又当婊子又立牌坊 exceeds the social cost, this behavior should be encouraged.