Title: 3 sui ru yuan qi, Jiao hai zi yi tang du li ke
Description: Pei yang hai zi de du li xing fei chang zhong yao, Er zhei yi tang"du li ke"3 sui shi shang zui he shi. Ben shu dui ru he xuan dui you er yuan, Ru he zuo hao ru tuan zhun bei, Ru he bang hai zi ke fu fen li jiao lü, Ru he shun li du guo ru yuan shi ying qi you hen hao de zhi dao zuo yong.
Subjects: Er tong jiao yu, Jia ting jiao yu