短語詞組短語Marginal user cost 邊際使用者成本;邊際使用者費用Increasing marginal opportunity cost 邊際機會成本遞增Marginal Personal Cost 邊際私人成本marginal amusing cost 社會邊際成本marginal transport cost 邊際運營成本marginal outage cost 邊際缺電成本private marginal opportunity cost 個人邊際機會費用Marginal External Cost 邊際外部成本;成本;即邊際外部成本;外溢成本marginal production cost 邊際生產(chǎn)成本 返回 marginal cost