名词短语
中文翻译：必要证明文件
同义词：
['certificate of need', 'certificate of necessity', 'certificate of requirement', 'certificate of necessity例句：1. The hospital required a certificate of necessity before they would admit him.（医院要求他出示一份必要证明文件才能接受他。）2. The teacher needed the certificate of necessity to provide the necessary information for the report.（老师需要这份证明文件来提供报告所需的信息。）3. The company issued a certificate of necessity to the construction team as part of their safety protocol.（作为安全协议的一部分，公司向施工队颁发了必要证明文件。）']
例句：
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1. The hospital required a certificate of necessity before they would admit him.
医院要求他出示一份必要证明文件才能接受他。
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2. The teacher needed the certificate of necessity to provide the necessary information for the report.
老师需要这份证明文件来提供报告所需的信息。
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3. The company issued a certificate of necessity to the construction team as part of their safety protocol.
作为安全协议的一部分，公司向施工队颁发了必要证明文件。