基本解釋[經(jīng)濟(jì)學(xué)]公開議付信用證詞組短語(yǔ)短語(yǔ)Open negotiation letter of credit 公開議付信用證open negotiation credit更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)公開議付信用證