Military officials say the strategy behind the operation in Kandahar is to establish security so that ordinary Afghans can live their lives without fear of the Taliban.

VOA: standard.2010.05.26

While we're here, our third notation for strategy, I'm going to use little "s" without an "i," no subscripts: little "s" without an "i," to mean a particular play of the game.

说到这,我们来定义第三个标记符,我们用不带下标的小写s,来表示某一次博弈

耶鲁公开课 - 博弈论课程节选

But Deputy Defense Secretary William Lynn says the ability to project conventional power without the threat of missile attacks is crucial to the U.S.global security strategy, and its treaty obligations.

VOA: standard.2010.03.26