我们需要森林的木材和纸张资源，否则我们可能没有课桌或笔记本供学校使用。
We need the forest's resources for wood and paper or we might not have desks or notebooks for school.
为避免扔掉文件，我不使用垃圾箱，因扔掉可回收纸张而感到内疚，或怕扔掉机密材料。
I avoided throwing away paper because I didn't have access to a trash can, felt guilty about tossing recyclable paper, or was afraid of throwing away confidential materials.
不要使用皱折或切碎的纸张。
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