level priority interrupt

例句：

1. 1. The students are at differentlevels of English proficiency.
   学生们的英语水平各不相同。
2. 2. The company has alevel of management that is well-respected in the industry.
   该公司的管理层级在业界享有盛誉。
3. 3. The new policy willlevel the playing field for all employees.
   新政策将使所有员工都处于平等的竞争地位。