group utility function

例句：

1. 1. The group utilityfunction is used to evaluate the overall efficiencyof a group's decision-makingprocess.
   群体效用函数用于评估团体决策过程的整体效率。
2. 2. In economics, the grouputility function is used to model the preferencesof a group of individuals over a setof goods and services.
   在经济学中，群体效用函数被用来模拟一组个体对一系列商品和服务的偏好。
3. 3. The group utilityfunction helps to determine the optimal allocation ofresources within a group, taking into accountthe needs and preferences of all members.
   群体效用函数有助于确定团体内部资源的最优分配，同时考虑到所有成员的需求和偏好。