是否贊成畢業班學生把課本留給下一屆同學循環使用
作為高三學生，你班同學在討論“畢業班學生可否把課本留給下一屆同學循環使用”時提出了不同的看法。請根據下表所給的提示寫一篇英語短文，并談談你的觀點。
不同意見 一些同學贊成 另一些同學反對 理 由 1. 可節省資源，節約開支 2. 一些西方國家經常這樣做 1. 教材內容經常更新 2. 很多同學在書上作了筆記
要求：
1．詞數150左右，
2．可根據內容要點適當增加細節，使行文連貫，
3．參考詞匯：循環使用recycle（vt. ） 開支expense（n.）
One possible version:
As high school graduates, our class have had a discussion about whether we should recycle the textbooks.
Some students agree to this suggestion. They point out that recycling textbooks can save a lot of natural resources used to make textbooks and save lots of expense. Besides, they mention that recycling textbooks is very common in some western countries.
But other students express their opposite ideas. They emphasize that the contents of the textbooks are often renewed. What's more, various kinds of notes have been made in their textbooks.
In my opinion, it is a wonderful idea because it will not only save much money but also do a lot of good to both the government and students' families.
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