求翻译：我认为，应该大力提倡循环利用旧课本。旧课本循环利用，归纳起来，有如下几方面的好处：一是为国家节省大量森林资源，提高森林覆盖率，保护环境；二是减轻广大学生家庭的负担。更为重要的一点是，循环利用旧课本，可以在孩子们幼小的心灵中播下节约的种子，于无形中培养孩子正确的价值观。是什么意思？

In my opinion, should be vigorously promoted the recycling of old textbooks. Recycling of old textbooks, summed up the benefits of the following aspects: First, for the country to save a lot of forest resources, increase forest coverage, protecting the environment; second is to reduce the burden on

I believe that there should be efforts to promote recycling of old textbooks. Recycling of old textbooks, can be summed up as follows, with several advantages: it is a significant savings for the state forest resources, increase forest coverage, protection of the environment; 2 is to reduce the burd

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In my opinion, should be strongly encouraged to recycle old textbooks. Recycle old textbooks, to sum up, has the following benefits: first, saves a lot of forest resources for the State, increasing forest cover and protect the environment; the second is to reduce the burden on the students ' familie

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