[1] Faculty of Hospitality and Tourism Management, Macau University of Science and Technology, 999078, China
[2] School of Humanities and Arts, Jiangsu Maritime Institute, Jiangsu, Nanjing,211199, China
[3] Nanjing Vocational University of Industry Technology, Jiangsu, Nanjing,210023, China
[4] Institute of Quantitative and Technical Economics, Chinese Academy of Social Science, Beijing,100732, China
[5] College of Economics and Management, Nanjing Forestry University, Jiangsu, Nanjing,210037, China
[6] School of Computer Science and Technology, Nanjing Normal University, Jiangsu, Nanjing,210023, China