Title: Fang fa zong bi kun nan duo
Description: Ben shu jiang shu liao ru he zai yu dao wen ti he kun nan de shi hou, neng gou zhu dong qu zhao fang fa jie jue, nei rong bao kuo zhu dong zhao fang fa, fang fa zong bi wen ti duo, si kao jue ding fang fa, jian dan you fang fa, zhao dao guan li shi jian de fang fa, zhi wei cheng gong zhao fang fa deng.
Subjects: Cheng gong xin li, Tong su dou wu ., Cheng gong xin li .