The objective reason why the thesis complaint is better can only be that you put out the basis of your complaint, tell your superiors about your complaint, let you have something to say and sort out the matters you want to complain about. At least from the three dimensions of time, people, things and what you think is unreasonable. List the related dissatisfaction points by time or logical chain, and then classify them. According to the listed dissatisfaction events, inquire about the relevant system flow, first talk about complaints, then talk about relevant rules and regulations, and finally talk about complaints. This will improve the pass rate.