分期付款购买制度

【法】 hire-purchase system

分期付款的英语翻译：

instalment
【计】 amortization; bill payment
【经】 installment; pay by installments; pay on the installment
payment by installments; payment in installments; payoff; time payment

购买的英语翻译：

buy; detriment; purchase
【经】 buy; purchase; purchases

制度的英语翻译：

institution; system
【医】 regime; regimen; system
【经】 system