基本解釋[經(jīng)濟(jì)學(xué)]有限擔(dān)保債券詞組短語(yǔ)短語(yǔ)limited obligation under bond 有限擔(dān)保責(zé)任limited obligation bond更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)有限擔(dān)保債券