基本解釋[經(jīng)濟(jì)學(xué)]憑對(duì)等樣品買(mǎi)賣(mài)詞組短語(yǔ)短語(yǔ)Sale by the counter sample 憑對(duì)等樣品買(mǎi)賣(mài)sale by counter sample更多詞組專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)憑對(duì)等樣品買(mǎi)賣(mài)