1, looking for academic gaps, don't want to be a cliche, you need to think boldly on the basis of understanding the research form and dare to be the first.

2. Find out the shortcomings in other people's research. If we can find out the shortcomings in other people's research and correct them or propose remedial plans, we can fully reflect the depth of the author's special research.

3. Looking for differences in academic research, in fact, many cutting-edge academic topics have many different views.