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可以称为 Security deposit 或者 Guarantee deposit. 向券商融券（买卖股票）时的保证金，可称为 margin。 【英语牛人团】
水之云端
保证金 bao zheng jin 1.earnest money; guarantee money; a cash deposit; a deposit in security 以上结果由 Dr.eye译典通字典 提供
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保证金 n. bail, caution money, earnest money, security deposit, recognizance guaranty fund binder(lever)
苏州饭饭
一、cash deposit
读音：英 [kæʃ diˈpɔzit] 美 [kæʃ dɪˈpɑzɪt]
保证金
例句：
1、When you call for a bid, shall the bidder make a cash deposit?
贵公司投标时，投标人要缴纳保证金吗？
2、Terminology for mineral processing of non-ferrous metals When you call for a bid, should the bidder make a cash deposit?
有色金属选矿术语标准贵公司投标时，投标人要缴纳保证金吗？
3、The Thinking on How to Perfect the System of Government Purchasing Bid Cash Deposit
完善政府采购投标保证金制度的思考
二、caution money
读音：英 [ˈkɔ:ʃən ˈmʌni] 美 [ˈkɔʃən ˈmʌni]
n.保证金
例句：
1、Caution money, rental or cost of wear.
方将不支付任何保证金、租金或磨损费用。
2、Structure Foreign Currency of Our Country Caution Money Business Legal System
构建我国的外汇保证金交易法律制度初探
3、Caution, money must be paid before you start your business.
注意，你开始营业前必须交保证金。
扩展资料：
相近词义单词：earnest money
读音：英 [ˈə:nist ˈmʌni] 美 [ˈɚnɪst ˈmʌni]
n.定金
例句：
1、Can I pay only earnest money, because I don't have enough money now?
因为我现在没有带够钱，可以只付定金吗？
2、You will have to pay "earnest money" to guarantee your participation till the end of the tender.
为保证您自始至终参加投标，您应该缴纳保证金。
3、When shall we pay earnest money?
保证金应该何时缴纳？
4、Earnest money is a special warranty for things, whose subject matter should not be merely confined to money.
定金担保是一种特殊的物的担保，其标的不应仅限于金钱。
5、The winner of the bid should immediately sign the lease contract with the lessor and pay the earnest money.
竞投得中者应即与出让方签订出让合同，交付定金。
