短語詞組短語Benefit Second Principle 傚益第二原則benefit sharing principle 惠益分享原則Mutual Benefit As Principle 互惠爲(wèi)原則benefit acquisition principle 利益獲得原則benefit distribution principle 利益分配原則benefit -balanced principle 平衡利益原則unjust benefit principle 不儅得利原則Net Marginal Benefit Principle 淨(jìng)邊際收益原則 返回 benefit principle