基本解釋[經(jīng)濟學]零息票可轉換擔保証券零息票可轉換擔包琯券詞組短語短語Zero -Coupon U Convertible Collateralized Securities 零息票可轉換擔保証券zero-coupon convertible collateralized securities更多詞組專業(yè)釋義經(jīng)濟學零息票可轉換擔保証券零息票可轉換擔包琯券