短语词组短語discounted d cash flow 淨現金量Discounted Future Cash Flow 就可以利用貼現模型Discounted Free Cash Flow 運用自由現金流折現;現金流量折現法discounted free cash flow model 自由現金流量折現模型discounted -cash-flow rate of return 貼現現金流量的收益率 返回 discounted cash