Conceptualization, J.T. and J.W.; methodology, B.K.T.E.; data curation, B.K.T.E.; validation, J.W., J.T. and B.K.T.E.; formal analysis, B.K.T.E.; investigation, B.K.T.E.; resources, B.K.T.E.; writing-original draft, B.K.T.E.; writing-review and editing, J.T. and J.W.; visualization, J.T. and J.W.; supervision, J.T. and J.W.; project administration, J.W.; funding acquisition, J.T. All authors have read and agreed to the published version of the manuscript. This research was funded by ‘Cultural education with Chinese Characteristics for International students and its practice’ under University-level educational reform Project of Central South University of Forestry and Technology, grand number 12200053.