social security
noun [ U ] uk/ˌsəʊ.ʃəl sɪˈkjʊə.rɪ.ti/ us/ˌsoʊ.ʃəl sɪˈkjʊr.ə.t̬i/
UK社会保障金制度
a system of payments made by the government to people who are ill, poor, or who have no job
He's on social security. 他靠领取社会保障金生活。
Social SecurityUS 社会保险制度
a system of payments made by the government to old people, people whose husbands or wives have died, and people who are unable to work because they are ill