疯狂英语易背作文 17.On Saving（在线收听）

As we know, when senior students graduate from school, most of their reference books as well as their text books which are still in good condition are thrown away. What a great waste it is! I suggest that we should recycle these books.

On the one hand, recycling them can save a lot of natural resources which can be reused to make textbooks. On the other hand, senior students may have made plenty of useful notes on the pages, they are very useful to the following users. At present, the whole nation is hold on to build an energy saving society.

I think it is certaining meaningful to uur long term interests. In fact in Australia and some other countries, recycling textbooks is popular which gives us a good example.