保证单

【经】 certificate of security

保证的英语翻译：

guarantee; assure; certify; warrant; ensure; pledge; secure; assurance
guaranty; surety; warranty
【经】 assurance; endorsement; guarantee; guaranty; recognizance; scure
secure; security; surely

单的英语翻译：

odd; single
【医】 azygos; mon-; mono-; uni-