詞典釋義：

效用

effectiveness n.效力；有效性；有效

usefulness n.有用；有益；有效性

utility n.功用；效用；功利；公用事業；應用程式；小卡車；輕型貨車

常用 權威

常用

短語搭配

1. 效用最大化

maximization of utility

2. 效用值

value of utility

3. 新藥的效用

effectiveness of a new drug

4. 邊際效用

marginal utility;marginal utility

5. 效用價值論

utility theory of value

6. 效用論

theory of utility

7. 限界效用

marginal utility

8. 效用函式

utility function

9. 效用計算

utility computing

雙語例句

1. GDP及其效用的問題困擾了政策制定者半個多世紀。

The question of GDP and its usefulness has annoyed policymakers for over half a century.

2. 這一法規已失去效用。

This legislation has outlived its usefulness.

3. 沒有實質性的證據能證實這些藥品的效用。

There is no substantive evidence for the efficacy of these drugs.

4. 健康效用值屬於等區間基數刻度。

The health utility value belongs to interval scale of cardinal scales.

5. 渠道效率是渠道產出的服務效用。

Efficiency of marketing channels is defined as the service utility that marketing channels generate.

6. 這種食療食品有滋補營養的效用.

This sort of dietetic food has the effect of nourishing the human Body.

7. 航行試驗中組裝報務臺效用試驗.

Function test of radio console on sea trial.

8. 效用又分為基數效用和序數效用。

Utility can be divided into cardinal utility and ordinal utility.

9. 效用是微觀經濟學的一個基本概念.

Utility is a basic conception in microeconomics.

10. 書畫也起到了同樣的裝飾效用。

Paintings also played the same decorative effect.

百科

效用

效用（Utility，港譯功用）是指對於消費者透過消費或者享受閒暇等使自己的需求、慾望等得到的滿足的一個度量。 經濟學家用它來解釋有理性的消費者如何把他們有限的資源分配在能給他們帶來最大滿足的商品上。 在維多利亞女王時代，哲學家和經濟學家曾經輕率的將效用當做一個人整個福利指標。效用一度被認為是個人快樂的數學測度。

權威

釋義

名詞 effectiveness; usefulness; utility

1. 這一法規已失去效用。

This legislation has outlived its usefulness.

2. 新藥的效用

effectiveness of a new drug

3. 邊際效用

marginal utility

4. 增強效用

enhance/increase/enlarge the usefulness (of)

5. 毫無效用

avail to nothing; to no avail