层次

例句：

1. 1. The company has a hierarchy of managers at different levels.
   这家公司有不同层级的经理。
2. 2. Theresearch team is organized intoseveral layers.
   研究团队被组织成几个层次。
3. 3. The organizational structureis divided into various levels.
   组织结构被划分为不同的层次。