名词
中文翻译：双重职责
同义词：
['duplex duty', 'dual duty例句：1. She has a double-duty as both a teacher and a coach.（她既是老师又是教练，肩负着双重职责。）']
例句：
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1. She has a double-duty as both a teacher and a coach.
她既是老师又是教练，肩负着双重职责。
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2. The company is facing a double-duty of meeting production targets and reducing costs.
该公司面临着同时满足生产目标和降低成本的双重任务。
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3.He has taken on the double-duty of managing both projects and ensuring quality.
他承担了同时管理两个项目并确保质量的双重职责。