名词
中文翻译：等级
同义词：
['grade', 'order', 'category', 'classification', 'rank order']
例句：
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1. The company has a strict hierarchy in its management structure.
该公司在其管理结构中有着严格的层级制度。
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2. The team ranked first in the national championship.
该队在全国锦标赛中排名第一。
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3. The new manager has been appointed to a higher rank within the organization.
新任经理被提升到组织内的更高职位。