The authors are grateful for insightful comments from the editor (Professor Xuan Tian) and two anonymous referees. Professor Qiang Wu thank The Hong Kong Polytechnic University for research support through the start-up fund (1-BE52). Professor Shenglan Chen acknowledges financial support from the Zhejiang Provincial Social Science Planning Project of China (No. 21WZQH08Z). Dr. Hui Ma acknowledges funding support from the China National Natural Science Foundation (No. 72102166).