social security expenditure

例句：

1. 1. The government has been investing heavily in social security expenditure to improve the welfare of its citizens.
   政府一直在大力投资于社会保障支出，以改善公民的福利。
2. 2. The increase in social security expenditure is a direct result of the government's decision to increase taxes.
   社会保障支出的增加是政府决定提高税收的直接结果。
3. 3. The government has proposed a plan to reduce social security expenditure by implementing new policies and regulations.
   政府提出了一项计划，通过实施新的政策和法规来减少社会保障支出。