Title: Huan jing ying xiang ping jia
Description: Ben shu xi tong di jie shao huan jing ying xiang ping jia de ji ben gai nian, ji ben li lun, you guan de fa gui, biao zhun, yi ji huan jing ying xiang ping jia de cheng xu he fang fa deng.
Subjects: Ping jia, Gao deng xue xiao, Nature, Jiao cai, Huan jing ying xiang, Effect of human beings on