名词
中文翻译：Unknown
同义词：
['motivator', 'facilitator', 'catalyst']
例句：
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1. The new policy is designed to motivate employees to work harder.
新政策旨在激励员工更加努力工作。
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2. The scientist's research was a catalyst for the development of new drugs.
科学家的研究为开发新药物起到了催化剂的作用。
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3. The team's success can be attributed to the motivational speeches given by their leader.
团队的成功可以归功于他们的领导者所发表的激励性演讲。