The president also says he will send the military into battle only when needed, and will give them the necessary training and equipment.

VOA: standard.2009.05.23

I don't have any very good answers for that and yet it is one part of the traditional explanation is this, and it's a very important one and much debated, that at a critical time in the battle one technique would be one side would give one great big shove.

我并没有令人满意的答案,目前还有一种传统解释,很重要,同时也饱受争议,那就是在战局千钧一发的时刻,有一项技术就是一方给对方致命一推

耶鲁公开课 - 古希腊历史简介课程节选

I don't have any very good answers for that and yet it is one part of the traditional explanation is this, and it's a very important one and much debated, that at a critical time in the battle one technique would be one side would give one great big shove.

我并没有令人满意的答案,目前还有一种传统解释,很重要,同时也饱受争议,那就是在战局千钧一发的时刻,有一项技术就是一方给对方致命一推

耶鲁公开课 - 古希腊历史简介课程节选