名词
中文翻译：主要工作
同义词：
['major responsibility', 'primary duty']
例句：
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1.She has a main job as a teacher in the school.
她在学校担任教师的主要职责。
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2. He is mainly responsible for managing the company's finances.
他主要负责管理公司的财务。
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3. The main job of a manager is to ensure the smooth running of the business.
经理的主要职责是确保业务的顺利进行。