A puttable bond is a plain vanilla bond with an option for the investors to sell or put the bond to the issuer at a date before maturity是什么意思_A puttable bond is a plain vanilla bond with an option for the investors to sell or put the bond to the issuer at a date before maturity在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句