名词
中文翻译：Unknown
同义词：
['region', 'area', 'zone', 'tract', 'belt']
例句：
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1. The research focused on the economic development of the region.
该研究专注于该地区的经济开发。
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2. The team worked together to solve the problem in the region.
团队共同努力解决该地区的问题。
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3. The new policy will have a significant impact on the regional economy.
新政策将对该地区经济产生重大影响。