求翻译：As everything has two sides, the existing examination system is not all bad. It certainly has many positive aspects. To begin with, exam is an effective means to assess students’ knowledge and proficiency and to evaluate teachers’ teaching level. Besides, it can help students find out their strong and weak points in learning and make their knowledge permanent. Most important of all, it’s often served as a motive to dive students to study hard and get well prepared academically for the future competition.是什么意思？

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