名词
中文翻译：正式文件
同义词：
['official document', 'formal record']
例句：
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1.The company issued a formal document to confirm the agreement.
公司发布了一份正式文件以确认协议。
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2.He requested a formal document from the government for his application.
他向政府要求了一份正式文件用于他的申请。
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3. The formal document was signed by both parties before it was accepted.
这份正式文件在被接受之前，由双方签字。