短語詞組短語expected discounted payoff cretion 期望折扣賠付準(zhǔn)則expected payoff function 期望支付函數(shù)expected cash flow payoff 預(yù)期現(xiàn)金流收益unconditional expected payoff criterion 無條件支付期望值準(zhǔn)則payoff expected 支付期望 返回 expected payoff