Title: Qiao ke li jing ji xue
Description: Ben shu zuo zhe jie yu nu er dan bian tan hua de fang shi, Jiang jing ji xue de ji ben li nian, Zhong da yi ti he jing ji xue da shi men de si xiang wei wei dao lai. Quan shu gong fen wu bu fen shi jiu zhang.
Subjects: Jing ji xue, Tong su xing du wu