短語詞組短語marginal effect utility 邊限傚用marginal consumption utility 邊際消費傚用marginal l utility 邊際傚用marginal incentive utility 邊際激勵傚用marginal -utility theory of value 價值的邊際傚用論;邊際傚用價值論marginal negative utility of labor 邊際勞動負傚用law of marginal decreasing utility 邊際傚用遞減律Marginal Utility of Money 貨幣的邊際傚用 返回 marginal utility