social service

social-service的词性：
n.（名词）

1. Organized efforts to advance human welfare; social work.
社会公益服务：有组织的提高社会福利的努力；社会福利工作

2. Often social services Services, such as free school lunches, provided by a government for its disadvantaged citizens.
常作 social services 社会慈善事业：由政府提供给残疾公民的服务，如免费学校午餐