The purpose of the discussion is to explain the phenomenon, analyze the causes, elaborate the views, illustrate the implication of the research and provide suggestions for the follow-up research. It should includes:

  (1) How to solve the problems listed in the introduction;

  (2) Comparison of the results obtained in the paper with those of previous studies;

  (3) Comment on or theoretical explanation of the innovations proposed in the paper;

  (4) Analysis of others’ research and discuss;

  (5) The unsolved problems, limitations and prospects for future research and discipline development in the paper.