National Insurance

Từ điển Oxford Advanced Learner 8th

ˌNational Inˈsurance [National Insurance] BrE NAmE noun uncountable (abbr.NI)
(in Britain) a system of payments that have to be made by employers and employees to provide help for people who are sick, old or unemployed
•to pay National Insurance (contributions)

Culture:
The money from National Insurance contributions is used by the government for payments to unemployed people and others in need, and also to help pay for the ↑National Health Service. National Insurance is therefore an important part of the ↑welfare state. Every adult has a National Insurance number and this number is used by the ↑Department for Work and Pensions to identify people.