废品回收 Recycling
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People plant a great number of young trees in the mountains.When the trees grow big and tall enough,they are cut down by workers and carried out of the mountains to the paper mill where fine paper is made from wood.

Then it is taken to every corner of the country and used for different purposes.Some people use paper to copy writing,others use it to write something such as letters,reports and articles.

When paper turns out to be of no use,the waste paper is collected and retreated in the recycling factory before being put into use again.精彩内容,尽在百度攻略:http://gl.baidu.com

人们在山里种植大量的小树苗。当树木长到足够高大的时候,就会被工人砍伐下来减少了,从山里运到造纸厂,把树木制成纸张。 然后这些纸杯带到这个国家的每一个角落,用于不同的目的。有些人使用纸拷贝写作,其他人用来写点东西,如信件、报告和文章。 当纸变得没有用了,在再次被投入使用前,废纸会被收集并撤回到回收工厂。