With the rapid development of computer technology and network technology, online shopping has been integrated into people's daily life. At present, in many colleges and universities in our country, the use mode of many books are one-time purchase, one-time use, that is, the book users only use for a quarter, a semester or a year after purchase. This use mode greatly shortens the life of books, and it is not easy to use In recent years, in many colleges and universities, a large number of books will become idle books and be eliminated every semester, and then directly treated as waste products. These idle books mainly come from the collection of school library, colleges and reference rooms, old teaching books of staff and so on. Because of their wide sources, these idle books involve many subject fields and language classification, which can be used for reference It is said that it is a very valuable book resource. If it is directly disposed of as waste, it is obvious that it does not make full use of the book resources. At the same time, it does not conform to the current needs of social environmental protection and conservation in terms of reducing energy consumption, reducing waste water and waste gas emissions and achieving green environmental protection
With the rapid development of computer technology and network technology, online shopping has been integrated into people's daily life. At present, in many colleges and universities in our country, the use mode of many books are one-time purchase, one-time use, that is, the book users only use for a quarter, a semester or a year after purchase. This use mode greatly shortens the life of books, and it is not easy to use In recent years, in many colleges and universities, a large number of books will become idle books and be eliminated every semester, and then directly treated as waste products. These idle books mainly come from the collection of school library, colleges and reference rooms, old teaching books of staff and so on. Because of their wide sources, these idle books involve many subject fields and language classification, which can be used for reference It is said that it is a very valuable book resource. If it is directly disposed of as waste, it is obvious that it does not make full use of the book resources. At the same time, it does not conform to the current needs of social environmental protection and conservation in terms of reducing energy consumption, reducing waste water and waste gas emissions and achieving green environmental protection<br>
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