老师不应该只教课本上的知识，同时也该教他们如何循规蹈矩。
Teacher should not only teach student the knowledge from books, but also teach them how to behavior well.
由于教学时间很短，我不能教课本所有内容，需要选择一些经典的部分来教。
Because the teaching time was very short, I cannot teach all the section of the textbook, I have to choose some classic sections to tell.
在那时候， 两位老师教课也从来不收报名费，学费，手续费，课本费，场地费等。
All this while, both Masters conducted classes without charging any fees for registration, tuition, processing, textbooks, venue etc.
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