长沙商贸旅游职业技术学院教务处；

ZHOU Dong-liang; Office of Teaching Affairs, Changsha Vocational College of Business and Tourism;

youdao

长沙商贸旅游职业技术学院教务处；

ZHOU Dong-liang; Office of Teaching Affairs, Changsha Vocational College of Business and Tourism;

youdao