Title: BEC xie zuo bi bei shou ce
Description: Ben ce bao kuo BEC zhong ji xie zuo xu zhi,BEC zhong ji xie zuo ji ben ji neng xun lian,BEC zhong ji xie zuo chang jian shi fen xian xiang ji gai jin lian xi,Part Two shang wu xin han xie zuo jie xi deng ba zhang nei rong.
Subjects: Shang wu, Zi xue can kao zi liao, Ying yu, Xie zuo