最高阶层

例句：

1. 1. The CEO of the company is at the highest level in decision-making.
   公司的首席执行官处于决策层面的最高层级。
2. 2. The team has reached the highest level of performance in their field.
   该团队在其领域达到了最高水平的表现。
3. 3. The top performers are at the highest level of recognition and reward.
   表现最好的人获得了最高的认可和奖励。