Funding for this research was provided by:
the Humanity and Social Science Planning Foundation of the Ministry of Education of China (20YJA790001)
the Humanity and Social Science Youth Foundation of the Ministry of Education of China (18YJC790115)
the Soft Science Foundation of Science and Technology Department of Guangdong (2019A101002019)
Article History
Received: 28 February 2019
Accepted: 13 October 2021
First Online: 2 November 2021