What did the paper explain when it was submitted to the regional editor?
It's flawed. According to the public information about the query, the paper is submitted to the regional editor, which shows that the paper is not competitive enough or even flawed. Papers refer to articles that carry out research in various academic fields and describe academic research results. Referred to as a thesis. It is not only a means to discuss problems in academic research, but also a tool to describe academic research results in academic exchanges.