她发现经营一家小企业的行政工作相当具有挑战性。

She found the ___administration side of running a small business quite challenging.

新软件简化了整个大学的管理工作。

The new software has streamlined the ___administration of the entire university.

有效的行政管理对于任何大型组织的顺利运作都至关重要。

Effective ___administration is crucial for the smooth operation of any large organisation.