保证金

bail, cash deposit, margin, recognizance, security[经] cash deposit as collateral, cash fund, caution money, caution security, deposit, deposit for security, deposit in security, earnest, earnest money, guarantee deposit, guarantee money, guarantee pay, guaranty, guaranty funds, guaranty money, handsel, margin, margin and guaranty, margin requirement, security, surely, token payment, warrant money

bǎo zhèng jīn ㄅㄠˇ ㄓㄥˋ ㄐㄧㄣ