A.經(jīng)濟(jì)態(tài)勢(shì)B.方針政策C.國(guó)際關(guān)系D.法律法規(guī)
A.賒銷商品B.預(yù)收貨款C.商業(yè)匯票D.補(bǔ)償貿(mào)易