名词
中文翻译：授权证明
同义词：
['authorized certification', 'certified authorization']
例句：
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1. The company issued a certification of authorization to the new employee.
公司为新员工颁发了授权证明。
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2. The certificate of authorization is valid for one year only.
授权证书仅有效一年。
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3. The government requires all businesses to obtain a certification of authorization before opening their doors.
政府要求所有企业在开门营业前必须获得授权证明。