Title: Ke cheng shi yan
Description: Ben shu gong jiu zhang, nei rong bao kuo : li xiang de xue xiao - zi chuan shi ji yi pian duan, jiao shi zai ke cheng kai fa zhong de jiao se - ying guo ke cheng bian ge shang wei jie jue de ke ti, xue sheng bu man de ke cheng wei du deng.
Subjects: Jiao xue gai ge, Ke cheng, Yan jiu .