They are playing an increasingly important part [role] in safeguarding peace.

他们对保卫和平起着越来越重要的作用。

Safeguarding the spirit of the game.

维护赛事精神的保全费。

But safeguarding those would be no easier.

但是，对那些燃料中心进行保障也并不容易。

I have devoted my life to safeguarding America.

我毕生都致力于保卫美国。

The memo Outlines two procedures for safeguarding CUI.

备忘录概述了维护CUI的两种程序。