Such a condition, a state of war, may mean a condition of open warfare, but not necessarily.

这样一种状态，战争状态，也许意味着公开的战争状态，但这也不是必须的。

耶鲁公开课 - 政治哲学导论课程节选

They were not farmers as we shall see, and therefore, they spent their lives practicing warfare.

我们需要认识到,他们不是农夫,他们视战争操练为生活的一部分

耶鲁公开课 - 古希腊历史简介课程节选

We may be entering a new era of class warfare not seen since the 1930s, when Franklin D.

FORBES: Notations

Mr. JAMAL HEZHAL (Municipal Leader, Hermel, Lebanon): (Through translator) And because of the way that Hezbollah works, as a resistance it works on a gang warfare and not a traditional warfare, as you know.

NPR: War Solidifies Support for Hezbollah in Lebanon

It's important to understand that cyber warfare does not necessarily have anything to do with the internet.

BBC: Viewpoint: Stuxnet shifts the cyber arms race up a gear