1. School of Foreign Studies, Wenzhou University, Wenzhou, China
2. Centre for Teaching and Learning Enhancement, Macao Institute for Tourism Studies, Macao, China
3. Centre for Portuguese Studies, Macau Polytechnic University, Macao, China
4. College of Life and Environmental Sciences, Wenzhou University, Wenzhou, China
5. Department of Foreign Studies, Zunyi Medical University Zhuhai Campus, zhuhai, China