social security
noun
mass noun
1- (in the UK) monetary assistance from the state for people with an inadequate or no income（英国）社会保障。
1.1
Social Security
(in the US) a federal insurance scheme providing benefits for pensioners, the unemployed, and the disabled（美国）（对靠养老金、抚恤金、退职金、补助金等生活的人以及失业, 残疾人提供救济金的）社会保险（制度）。