效用理論utility: n. 1.有用,有益;實用,【經(jīng)濟學】效用;功利;〔常 ...theory: n. 1.理論,學理,原理。 2.學說,論說 (opp. ...theory of utility: 效用理論; 效用論utility theory and decision theory: 效用理論和決策理論expected utility theory: 預期實用理論下載手機詞典可隨時隨地查詞查翻譯