名词中文翻译
中文翻译：清洁证明
同义词：
['cleancertificate', 'clean record']
例句：
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1. The company issued a clean proof toprove its good reputation.
公司发布了一份清洁证明，以证明其良好的声誉。
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2. Thepolice found the stolen car and issued aclean proof for the owner.
警方找到了被盗的汽车，并为车主发出了清洁证明。
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3.The student handed in his clean proof beforeleaving the classroom.
学生在离开教室前提交了他的清洁证明。