保證的英語翻譯：

guarantee; assure; certify; warrant; ensure; pledge; secure; assurance
guaranty; surety; warranty
【經(jīng)】 assurance; endorsement; guarantee; guaranty; recognizance; scure
secure; security; surely

債券的英語翻譯：

bond
【經(jīng)】 bond; bond certificate; debenture; debenture certificate
debt obligations; evidence of debt; loan stock; redemption of bonds
t-bond