So a lot of teaching and learning can be thought as less synchronic activities and more diachronic one.

所以很多教学可以被看成是,不限于一时的而有历时变化的。

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And just as there are innumerable human activities which require undistorted references if they are to be satisfied, so there are innumerable other human activities not less important which equally require distorted references or, more plainly, fictions.

就像无数的人类活动,需要真实的证据,如果要达到令人满意的效果，无数同等重要的,人类活动,也同样需要失真的参考,说得更明白点，就是需要虚构。

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