基本解釋[經(jīng)濟(jì)學(xué)]未償清長(zhǎng)期債款的折扣未消減債款折扣專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)未償清長(zhǎng)期債款的折扣未消減債款折扣