介词短语
中文翻译：在
同义词：
['in the front', 'at the forefront', 'at the forefront of']
例句：
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1. The new policy is designed to address the challenges facing the country at the head of the poll.
新政策旨在解决国家面临的挑战，这是在面临挑战的国家之先。
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2. The company's leadership is at the head of the poll in terms of innovation and execution.
该公司的领导层在创新和执行方面处于领先地位。
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3.The team was at the head of the poll in terms of efficiency and productivity.
该团队在效率和生产力方面处于领先地位。