这项工作很简单，但很重要，因为它使这些成本脱离了臆想的范畴，进入了有意义的讨论的范畴。
The exercise is simple but important, since it brings these costs out of the realm of speculation into the realm of meaningful discussion.
如果我脱离要说或者要写的东西，我会简单的重复最后一个字，让这个趋势走下去。
If I run out of things to say or write, I will simply repeat the last word to keep the momentum going.
使学校脱离这种所有邪恶中最坏的邪恶，相对来说比较简单。
It is comparatively simple to keep the school free from this worst of all evils.
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