【正文】
clothes are discarded simply owing to their old fashion. As a consequence, people in mounting numbers put great \ emphasis on creating a green campus. There are at least two criteria to distinguish what is green campus. On the one hand, natural resources must be conserved and made full use of, for example , we, as college students, should take the wise use of papers and secondhand textbooks into account. On the other hand, education to build up thrift habits must be promoted by relevant departments and professionals at various levels. Accordingly, it is necessary for us to take effectiv