动词
中文翻译：保证
同义词：
['guarantee', 'assure', 'ensure', 'guarantee']
例句：
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1.The company's warranty on the product covers defects for a year.
该公司对该产品提供的保修期为一年。
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2. He warranted that the work would be completed within the deadline.
他保证工作将在截止日期前完成。
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3.The government has assured the public of its commitment to transparency and accountability.
政府已向公众保证其致力于透明度和问责制的承诺。