Many children can't function effectively in large classes.
许多孩子在大班上课时学习效果不好。
Large classes dilute the quality of education that children receive.
大班上课会降低孩子所受教育的质量。
And there's a connection between large classes and long methods.
而大类与长方法之间又有着必然的联系。
High-achieving countries have large classes taught by great teachers.
那些在调查中取得优异成绩的国家采用大班教学，由优秀教师来讲授。
The classes were not large, yet there was no discussion.
班级不大，但没有讨论。
Yet research "is not saying that all classes should be large," he said.
但他又说：他的研究“并不是说把所有课堂都变成大课堂。”
These three classes can be used to store a large number of classes.
这三个类可以用来存储大量的类。
These three classes can be used to store a large number of classes.
这三个类可以用来存储大量的类。
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