new welfare economics

例句：

1. 1. This new welfare economic model aims to improve the living standards of low-income families.
   这个新的福利经济模型旨在提高低收入家庭的生活标准。
2. 2. The government has introduced a new welfare economic system to address the issue of income inequality.
   政府已经引入了一个新的福利经济系统来解决收入不平等的问题。
3. 3.The new welfare economics emphasizes the importance of social security and public services in promoting social harmony.
   新福利经济学强调社会保障和公共服务在促进社会和谐中的重要性。