1. N-UNCOUNT Social Security is a system by which workers and employers in the U.S. have to pay money to the government, which gives money to people who are retired, who are disabled, or who cannot work. 社會(huì)保障制度

My mother never worked, so she's not eligible for Social Security. 我母親從未工作過，因此她不符合社會(huì)保險(xiǎn)資格。

Future retirees are expected to get smaller Social Security benefits than promised. 預(yù)計(jì)未來的退休者領(lǐng)取到的社會(huì)保險(xiǎn)金要比許諾的少。