(n) managed currency system
(n) corporate pension plan
(n) health insurance system
(n) individual championship system (sumo)
(n) private ownership system
(n) mark-to-market accounting system
(n) social security system
(n) (Japanese) system of lifetime employment
(n) food control system
(n) trusteeship system
(n) early retirement program
early retirement programme
(n) abolition of slavery
(n) (comp) content rating system (for TV, movies)
(n) Japanese education system
(n) the seniority system
(n) meritocratic system
(n) (Japanese) land registration system
(n) legal reserve system (USA)
reserve deposit requirement system
(n) (US) Federal Reserve System
(n) internship system
(n) deposit system
(n) gold exchange standard system
(n) gold bullion standard
(n) European System of Central Banks
ESCB
(n) tender offer
take-over bid
TOB
(n) national health insurance program (programme)
(n) civil legal aid system (e.g. legal aid for poor people)
(n) an import quota system