来自《耶鲁大学开放课程：古希腊历史简介 第6集 第6集》

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  so that they will go bang
  所以就像这样"砰"地撞在一起
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  and we can see what happens.
  然后大开杀戒
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  However, there's one other variable that you want to be aware of and that is,
  然而 还有其他变数是必须考虑到的
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  he knows he ought to be going straight ahead like that,
  那就是 士兵知道他是向前直行的
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  but he also knows that his right flank is open.
  但是 他同样知道他的右路是洞开的
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  Well, he would love to be fighting at the edge of the Grand Canyon,
  如此一来他肯定会喜欢在大峡谷边上战斗
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  so that he doesn't have to worry about his right flank,
  因为那样就不必担心右侧受到攻击
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  but he's out there in the middle of a field.
  但当他在战场的中央
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  Now, he knows that first step ought to be like this,
  他的第一步应该是这样
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  but he's only human,
  但由于人防卫的本能
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  so the first step is like this,
  他的第一步会变成这样
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  and so is the guy on the other end on that side.
  对面部队相同位置的人也会这样