higher level designation

例句：

1. 1.The higher levels of the company's management team are responsible for overseeing the day-to-day operations.
   公司管理层的更高层负责监督日常运营。
2. 2. The higher levels of the government have been discussing the issue at length.
   政府高层一直在深入讨论这个问题。
3. 3. The higher levels of the organization are expected to make significant contributions to the success of the project.
   组织中的高层有望为项目的成功做出重大贡献。