名词
中文翻译：保证金
同义词：
['reserve', 'deposit', 'advance payment例句：1. The company requires a premium reserve of at least 50% for each project.（公司要求每个项目至少保留50%的保证金。）']
例句：
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1. The company requires a premium reserve of at least 50% for each project.
公司要求每个项目至少保留50%的保证金。
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2.Before signing the contract, they made a premium reserve of $10,000.
在签订合同之前，他们设立了1万美元的保证金。
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3. The bank required a premium reserve of $20,000 for the loan.
银行要求贷款的保证金为2万美元。