基本解釋[經(jīng)濟(jì)學(xué)]拖欠分期款項(xiàng)過(guò)期未收分期貨款延期分期付款專業(yè)釋義經(jīng)濟(jì)學(xué)拖欠分期款項(xiàng)過(guò)期未收分期貨款延期分期付款