医院的管理者们正在讨论如何提高服务质量。

The hospital ___administrators are discussing ways to improve service quality.

学校的管理员负责确保所有学生遵守校规。

The school ___administrators are responsible for making sure all students follow the rules.

学校的管理人员决定延长图书馆的开放时间。

The school ___administrators decided to extend the library's opening hours.