As well as being an exercise in memory and assessment, revision should be a process of improvement.

复习是对记忆力和评估能力的锻炼，更应该是一个不断提升的过程。

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These content is in our four revision books: text-book, exercise-book, and our other two study materials.

考试内容就在我们四本书里：课本、练习和其它两本学习材料。

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Exercise builds one's body andf reduces diseases. Sports let their brains have a rest so that their revision will be more effective.

锻炼可以强壮她们的身体，减少疾病的发生，运动让她们的大脑得到休息，那么她们的温习会更有效。

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