基本解釋[商業(yè)]商務(wù)英文聽(tīng)說(shuō)專項(xiàng)訓(xùn)練專業(yè)釋義商業(yè)商務(wù)英文聽(tīng)說(shuō)專項(xiàng)訓(xùn)練