因此，无人驾驶飞机的使用，违反了区分性，必要性，相称性，人道性等作战原则。

The use of the drone is, therefore, violating the war-fighting principles of distinction, necessity, proportionality, humanity.

youdao

今晚，我想对你们谈一谈我们在伊拉克作战任务的结果，我们当前面临的安全挑战，以及我们重建美国经济的必要性。

Tonight, I'd like to talk to you about the end of our combat mission in Iraq, the ongoing security challenges we face, and the need to rebuild our nation here at home.

youdao

今晚，我想对你们谈一谈我们在伊拉克作战任务的结果，我们当前面临的安全挑战，以及我们重建美国经济的必要性。

Tonight, I "d like to talk to you about the end of our combat mission in Iraq, the ongoing security challenges we face, and the need to rebuild our nation here at home."

youdao