In fact, one of the biggest headaches for graduate students is that what they have written has not been made. For example, my tutor and I have discussed the research direction before, so we have begun to pay a lot of time and energy for it. But in the middle of the experiment or the paper, I found that there was no idea behind it, or there was something wrong with the data, so I couldn't do it at all. In this case, I will be very upset, because I have made a lot of efforts before, but there is no way to start it and there is no good solution. If we start again, it will take a long time. This question is more difficult. And sometimes the tutor can't understand the problems students encounter, or make students insist on research, so in this case, students will bear great pressure. In addition, sometimes writing a paper requires understanding the relevant background. In fact, we must investigate the literature, but this process is not handled well, and the repetition rate will be higher when we check the duplicate. Therefore, it takes a lot of energy for students to reduce this repetition rate.
In fact, graduate school is a very long process, and the examination of personal ability is still relatively high. Therefore, the postgraduate entrance examination should be psychologically prepared. Under such circumstances, I will develop on the road of choice for a longer time, and it is not easy to give up if there are any difficulties. However, if we are not prepared psychologically, then when we encounter difficulties, we will always regret the decision at that time and eventually become more and more decadent.