Hou xian dai xi fang she hui xue li lun/ Hou xian dai xi fang she hui xue li lun = Xian dai xi fang mei xue si chao/ Xian dai xi fang cheng shi jing ji li lun/ Xian dai xi fang zhe xue/ Xian dai xi fang zhe xue/. 2. Xian dai xin ru xue gai lun/ Jin dai xian dai ying guo shi xue gai lun/ Xian dai guan li xue gai lun/ Jin dai xian dai mei guo shi xue gai lun/