短語詞組短語Mutual Benefits As Principle 互惠互利爲原則benefits s principle 受益原則economic benefits equilibrium principle 經(jīng)濟利益平衡原則cost -benefits principle 成本收益原理Expand overall benefits principle 擴大縂躰利益原則public benefits principle 普遍受益原則Benefits -received principle 受益原則material benefits principle 物質(zhì)利益原則benefits more than costs principle 傚益大於成本原則 返回 benefits principle