求翻译：large classes can create quite a lot of of problems for both teachers and pupils.problems related to pupils learning may include是什么意思？

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large classes can create quite a lot of of problems for both teachers and pupils.problems related to pupils learning may include

问题补充：

匿名	2013-05-23 12:26:38 大类可以创建很多问题的两个教师和学生学习有关的 pupils.problems 可能包括

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