welfare cost

例句：

1. 1. The government is considering how to reduce the welfare cost of its programs.
   政府正在考虑如何减少其项目的费用。
2. 2.The new policy aims to lower the welfare cost for low-income families.
   新政策旨在降低低收入家庭的费用。
3. 3. The company's decision to invest in renewable energy will have a significant welfare cost.
   公司决定投资可再生能源将带来巨大的福利成本。