名词
中文翻译：Unknown
同义词：
['certain', 'assurance', 'guarantee', 'certainty', 'assurances', 'guarantees']
例句：
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1. I canassure you that the product will meet your expectations.
我可以向你保证，这个产品能满足你的期望。
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2. The company has assured us that they will deliver the goods on time.
公司已经向我们保证他们会按时交货。
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3. The new policy provides a certain level of protection for consumers.
新的政策为消费者提供了一定的保护水平。