名词
中文翻译：Unknown
同义词：
['central', 'focus', 'concentrate', 'centralize例句：1. The center of the city is bustling with activity all day long.（市中心整天都很繁忙。）2. She focused on her studies during the summer break.（她在暑假期间专注于学习。）']
例句：
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1. The center of the city is bustling with activity all day long.
市中心整天都很繁忙。
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2. She focused on her studies during the summer break.
她在暑假期间专注于学习。
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3. The company's strategy was to concentrate on its core competencies.
该公司的战略是专注于其核心竞争力。