instalment 【计】 amortization; bill payment 【经】 installment; pay by installments; pay on the installment payment by installments; payment in installments; payoff; time payment
赊卖的英语翻译：
tally system; tally trade 【经】 sales for account; tally trade
制度的英语翻译：
institution; system 【医】 regime; regimen; system 【经】 system