Cai gou huan jing

Ben shu chan shu le bu tong zu zhi de gou cheng, Zu zhi de zhi li jie gou he zu zhi suo chu de huan jing, Jie shao le bu tong lei xing de zu zhi zai cai gou yu gong ying chan pin he fu wu shi cai yong de bu tong fang fa, Zu zhi zhong cai gou zhi neng bu men de mo xing, Cai gou sheng ming zhou qi, Ge zhong cai gou fang fa, Yi ji ru he shi bie cai gou bu tong lei xing de chan pin huo fu wu shi ying cai qu de bu tong fang fa.