基本解釋無(wú)觝押債權(quán)股額 無(wú)擔(dān)保債券詞組短語(yǔ)短語(yǔ)convertible subordinated unsecured loan stock 可轉(zhuǎn)換股的次級(jí)無(wú)觝押債權(quán)股額unsecured loan stock更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)無(wú)觝押債權(quán)股額無(wú)擔(dān)保債券