Useful. If there is something wrong with the paper, you can appeal, and the appeal period is very long. If there is a problem with the audit, it will be judged after the appeal. If the school still decides that the paper is unqualified after the appeal, then the students need to bear the corresponding responsibilities. In the paper complaint, the reasons for the reviewer's refusal should be analyzed, explained and refuted. In addition to learning language interpretation, it is best to provide more and more detailed data technology as an important basis.