听、说、读、写是学习语言的根本顺序。
Listening, speaking, reading, then writing constitute the fundamental order in language learning.
最根本的问题是，开发一种新授课顺序需要花费很长时间，上一年度的授课时间会变得非常少，因此，这种变化只能缓慢进行。
The basic problem is that it takes a long time to develop a new sequence of lectures and very little time to give last year's lectures, so things change only slowly.
但是这样做根本不能提高性能，因为CSLD任务是按顺序的方式进行处理的！
But this will not improve performance at all because of the sequential processing done by the CSLD task!
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