That's what prevents that from happening, we just don't see that going on. Yeah?

这就是开始时不进攻侧翼的原因,只是我们没有见到罢了,请讲

耶鲁公开课 - 古希腊历史简介课程节选

But the difficulty is, if you take your left flank and move it out here so you can flank this guy, one of two things has to happen to your army.

但困难的是,如果你把左翼移到这里,你可以进攻敌人的侧翼,你的军队会面对下面两种情况

耶鲁公开课 - 古希腊历史简介课程节选