名词短语
中文翻译：签名保证
同义词：
['signature guarantee', 'signature warranty']
例句：
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1.The company's policy states that all signed documents are guaranteed for three years.
该公司的政策规定，所有签署的文件都保证三年有效。
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2. This product comes with a lifetime guarantee of the original purchase price.
该产品提供原购买价格的终身保证。
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3. Before signing the contract, we must ensure that the terms and conditions are clearly stated to avoid any future disputes.
在签订合同前，我们必须确保条款和条件明确表述，以避免未来的争议。