那个啥来着呢
social security英[]ˈsəuʃəl siˈkjuəriti美[]ˈsoʃəl sɪˈkjʊrɪti/sə'kjurətɪ词典释义[经]social security
春天的薄荷叶
你翻翻人大编的教材，每章后面都有专业词汇的。简单先列几个吧：社会保障social security 社会保险 social insurance 养老保险endowment insurance 失业保险unemployment insurance 工伤保险industrial injury insurance生育保险maternity insurance医疗保险medical insurance /medicare /hospitalization insurance
优质英语培训问答知识库
