Blind evaluation with ABCDE scores, A is excellent, B is good, C is average, D is pass, and E is poor. Blind evaluation of the teacher gives C a tolerant attitude towards you, and you should learn to put yourself in the other's shoes when writing a paper.
Blind evaluation refers to a system of organizing expert group evaluation, that is, anonymous submission, which means that the evaluation tutor does not know who the author of the paper is.