名词短语
中文翻译：满意证明
同义词：
['satisfaction certificate', 'satisfaction guarantee']
例句：
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1. To ensure customer satisfaction, we offer a satisfaction guarantee.
为了确保客户满意度，我们提供满意保证。
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2. The company's satisfaction proof is the only way to prove its quality.
公司的满意证明是证明其质量的唯一方式。
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3. The satisfaction proof is crucial for the success of the project.
满意度证明对于项目的成败至关重要。