名词
中文翻译：执行者
同义词：
['operator', 'operator', 'person in charge']
例句：
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1. The manager is the executive who makes all the decisions.
经理是做出所有决定的人。
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2. The doctor is the one who performs the surgery.
医生是进行手术的人。
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3. The policeman is the one who investigates crimes.
警察是调查犯罪的人。