形容词
中文翻译：无权威的
同义词：
['unofficial', 'non-official']
例句：
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1.The report was issued by an unauthoritative source.
这份报告是由一个非官方来源发布的。
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2. The decision was made by a group of unauthoritative individuals.
这个决定是由一群非官方人士做出的。
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3.The company's actions were considered unauthoritative by many experts.
这家公司的行为被许多专家认为是不权威的。