基本解釋[商業(yè)]按合同承擔(dān)義務(wù)[經(jīng)濟(jì)學(xué)]按合同承擔(dān)義務(wù)專業(yè)釋義商業(yè)按合同承擔(dān)義務(wù)經(jīng)濟(jì)學(xué)按合同承擔(dān)義務(wù)