基本解釋[經(jīng)濟(jì)學(xué)]未付款債務(wù)未經(jīng)付款的債務(wù)未清償債務(wù)專業(yè)釋義經(jīng)濟(jì)學(xué)未付款債務(wù)未經(jīng)付款的債務(wù)未清償債務(wù)