강제coercion 강제성forcibleness 격일제alternating days system 순번제rotating system 시간제being by the hour 예약제subscription basis 월급제monthly pay system 제도institution; system 제한limit 종량제pay-as-you-go system

약about; approximately; around 약속promise; appointment; pledge 예약reservation; booking 가계약provisional contract 계약contract; agreement 계약금down payment; earnest; deposit 계약서contract; written agreement 계약자contractor; contracting party 선약prior appointment 약정contract; stipulation