教材和讲解做到浅显易懂，以实例演示为主，并且预留大量的练习和一对一指导时间，以便因材施教。
Prepare a textbook and use teaching methods that are easy to understand, consist mostly of real case demos, with abundant time reserved for exercises and one-on-one tutoring.
内容要比正式教材含量大，积累了大量例句、练习和阅读资料，扩大了讲解范围，对教师和学员起到强化和辅导作用。
It has a carefully accumulated volume of sentences, exercises and reading materials, expanding the scope of your studies and serving to strengthen and guide both teacher and student.
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