保證

guarantee / to guarantee / to ensure / to safeguard / to pledge / CL:個|个[ge4]

Bulgaria / Bulgarian / abbr. for 保加利亞|保加利亚[Bao3 jia1 li4 ya4]

to defend; to protect; to keep / to guarantee; to ensure / civil administration unit in the baojia 保甲[bao3 jia3] system (old)

certificate / proof / to prove / to demonstrate / to confirm / variant of 症[zheng4]

earnest money / cash deposit / bail / margin (in derivative trading)

guarantor / bailor

collateralized debt obligation (CDO), type of bond

to reassure

performance bond (international trade)

mutual assured destruction

asset-backed security / ABS

assured destruction strategy