社会医疗保险
insurance of social medical treatment
medical insurance
social medical insurance
social hospitalization insurance
Social health insurance
社会保险统计
social insurance statistics
国际社会保险协会
international society insurance association
环境社会系统
environmental-social system
经济生态社会系统
economic-ecological-social system
经济与社会系统
Economic and social system
社会保险和福利支持不足的问题
Insufficient social insurance and welfare support