1. School of Foreign Studies, Changzhou University, Changzhou, P. R. China
2. Argentina-China Studies Center (CEACh), School of Social Sciences, University of Buenos Aires, Buenos Aires, Argentina
3. School of Economics and Management, Southwest Jiaotong University, Chengdu, P. R. China
4. Laboratory of Service Science and Innovation of Sichuan Province, Chengdu, P. R. China
5. School of Communication and Management, Sichuan University of Media and Communications, Chengdu, P. R. China