纸张：双面使用；送电子贺卡
废电池：收集废电池，用可充电电池
不要的衣服：捐给贫困地区
以上是三种环抱方法，各位谁能把它们以介绍的方式串起来写一段英语．
有追加啊～
參考答案:One should try to use both sides of the paper before throwing, or choose to sent E-greeting cards to reduce use of paper.Used batteries should also be recycled or one might prefer using rechargeable batteries to reduce waste.Lastly, old clothes which can still be worn should be donated to the needy.
不知道，你的写信目的所以自己修改:)