hierarchy of block

例句：

1. 1. The company hasa hierarchy of departmentsthat are organized around the needs of thebusiness.
   该公司有一套部门体系，这些部门围绕公司的需求组织。
2. 2. Inthe hierarchyof emotions, fear is oftenassociated with aggression andanger.
   在情感的层次中，恐惧往往与侵略和愤怒联系在一起。
3. 3. The hierarchy of skills required for successin this field is quite high.
   在这个领域成功所需的技能层次很高。