名词
中文翻译：保证书
同义词：
['guarantee', 'warranty', 'warranty document']
例句：
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1. Theseller warrants the product against defects for one year.
卖方对产品一年内的缺陷负责。
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2.The company issued a new warranty policy to customers last month.
公司上个月向客户发布了新的保修政策。
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3. The warranty deed is the legal document that guarantees the buyer's rights during the warranty period.
保证书是一份法律文件，在保修期内保障买方的权利。