While no military has ever done more to prevent civilian casualties, it is clear that we have to work even harder.

虽然美军没有做得更多来防止平民伤亡，但是很明显我们要更努力去做的。

youdao

The Germans ordered a small fleet of the Heron drones from Israel Aerospace Industries to help prevent civilian casualties and friendly-fire incidents in the rugged Afghan terrain.

VOA: standard.2010.07.27

The incident comes two months after the new commander of the international forces, U.S.General Stanley McChrystal, put in place new measures to prevent civilian casualties that he says undermine an anti-terrorism war in Afghanistan.

VOA: standard.2009.09.04

The CIVCAS Manual is intended in part to remedy some of the serious deficiencies noted in the Joint CIVCAS Study, which examined the causes of civilian harm and recommended techniques to prevent civilian casualties during combat.

FORBES: Army Publishes New "Manual" on Preventing Harm to Civilians