Correct
效用
/ xiàoyòng /
Strokes
Definition
usefulness/effectiveness/(economics) utility
Example
As a Noun
effectiveness; usefulness; utility
1
Zhè
这
yī
一
fǎguī
法规
yǐ
已
shīqù
失去
xiàoyòng
效用
。
This legislation has outlived its usefulness.
2
Xīnyào
新药
de
的
xiàoyòng
效用
effectiveness of a new drug
3
Biānjì
边际
xiàoyòng
效用
marginal utility
4
Zēngqiáng
增强
xiàoyòng
效用
enhance/increase/enlarge the usefulness (of)
5
Háowú
毫无
xiàoyòng
效用
avail to nothing; to no avail