national adj.民族的；国家的；全国性的；国立的；国有的n.国民（复）nationals:全国性比赛.
详细释义
Noun:
social insurance program in Britain; based on contributions from employers and employees; provides payments to unemployed and sick and retired people as well as medical services
双语例句
Net salary is gross salary minus tax and national insurance deduction. 净工资是工资总额减去税收和扣除国民保险。
