social utility
短语词组
- social l utility 社会福利事业
- social marginal utility 社会边际效用
- Social marginal utility of income 所得的社会边际效用
- theatre of social utility 社会功用戏剧
- maximization of social utility 社会效用最大化
- total social utility 社会总效用
- the social cost of utility 社会效用成本 返回 social utility