名词
中文翻译：从业人员
同义词：
['worker', 'employee', 'practitioner']
例句：
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1. He is a professional musician who has performed in many concerts.
他是一个专业音乐家，曾在许多音乐会上表演。
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2. The company employs hundreds of people to run its operations.
该公司雇佣了数百人来运营其业务。
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3. She has been an accomplished artist for over 30 years and is now considered a practitioner in her field.
她拥有超过30年的杰出艺术成就，现在被认为是她领域的实践者。