這屁股扭動的方式很不科學阿!網友:「給我一把剪刀...」
Sunk costs - Wikipedia, the free encyclopedia 法國名模Zahia Deha出席巴黎時尚週,但疑似衣服太緊.... In economics and business decision-making, a sunk cost is a cost that has already been incurred and cannot be recovered. Sunk costs are sometimes contrasted with prospective costs, which are future costs that may be incurred or changed if an action is tak...
全文閱讀