to repeat a course

基本解释

You pay every time you have to repeat or replace a course.
您支付您的每一次重复或替换过程。
Many children who are failed by the academic status quo are forced to repeat a grade even though research shows that this is just about the worst course of action for them.
很多在当前学院理论中不及格的孩子被强迫留级重读，哪怕根据研究表明这一连串行动会使他们变得更糟。
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It is a waste of space to repeat these names for every document, and of course, the more names there are, the more frequently you need to make changes in that list of names.
为每个文档重复输入这些名称是对空间的浪费，当然，名称愈多，就需要愈频繁地更改名称列表。