集中精力去备课或批改学生的作业费了他相当大的劲。
It took an extraordinary effort to focus on preparing his classes or correcting his students' work.
潜心工作的教育者们已经要回家批改作业或备课了，如果不考虑这些而延长一天的课时，老师们就会感到更加不堪重负。
Already, dedicated educators work at home to grade or write lessons, and if the school day is prolonged without taking this into account, teachers could find themselves even more overburdened.
每天晚上，他忙于批改作业，备课，看书，学习。有时，当我在深夜醒来时，发现父亲仍在工作。
Each and every night, he's busy correcting students' homework, preparing lessons, reading and studying. Sometimes, he's still sitting there at work when I wake up at mid-night.
一般来讲，我们在钻研教材教法、备课、上课、批改作业这四方面，往往都重视前三方面。
General, we delve into teaching materials and methods, lesson preparation, class, these four aspects of Check one's homework, Attention to ahead three aspects are often.
如果我们考虑一下他们漫长的学习生涯和所付出的代价，考虑一下每天化在备课和批改作业上的时间，对他们付出的时间、知识和技能给予较好的报酬难道有不当之处吗？
If we consider the cost and time of years of schooling they must deal with, and the long hours spent on paper work, is it not appropriate they be paid well for their time, knowledge and skill?
如果我们考虑一下他们漫长的学习生涯和所付出的代价，考虑一下每天化在备课和批改作业上的时间，对他们付出的时间、知识和技能给予较好的报酬难道有不当之处吗？
If we consider the cost and time of years of schooling they must deal with, and the long hours spent on paper work, is it not appropriate they be paid well for their time, knowledge and skill?
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