名词
中文翻译：未经授权的建设
同义词：
['illegal construction', 'unpermitted construction']
例句：
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1. The company hasbeen accused of unauthorized construction in the area.
该公司被指控在该区域进行未经授权的建设。
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2. The government ordered a halt to all unauthorized construction activities.
政府下令停止所有未经授权的建设活动。
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3.The builders were fined for illegally constructing structures without proper permits.
建筑商因未经许可非法建设结构而被罚款。