基本解釋[經(jīng)濟(jì)學(xué)]債券抵押證券詞組短語(yǔ)短語(yǔ)haha Collateralised Bond Obligation 債券抵押證券primary collateralised bond obligation 的基礎(chǔ)債券抵押證券collateralised bond obligation更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)債券抵押證券