这个社区决定在当地层面解决问题，体现了辅助性原则的应用。

The community decided to address the issue locally, demonstrating the application of ___subsidiarity.

这个地区办公室在决策中遵循辅助性原则，只在必要时才向总部请示。

The regional office follows the principle of ___subsidiarity, consulting headquarters only when necessary.