Yi fen zhong guan li shi zhan shou ce
by Cheng gang

Ben shu yi shi zhan de jiao du, Cong mu biao zhi ding, Ji yu jiang li he cheng jie yi ji ABC guan li fa, PRICE guan li ti xi deng 5 ge jiao du, Xiang xi chan shu le zai shi ji guan li guo cheng zhong chang jian de yi xie wen ti.
Qi ye guan liTong su du wu