First of all, I read a lot of the latest articles, which is almost enough. Screen the hot keywords you are interested in, then pick out what you can understand, and make comparative reading and critical reading to determine the topic. Then, learn from each other's strengths, integrate innovation, and combine smoothly. In short, the new things are clear at a glance. Then, to demonstrate sufficiency, we should use more data to speak, use more theoretical analysis cases, use macro logic and be problem-oriented. Then, there is the question of repetition rate. Attention should be paid to the application of variable weight technology and three core skills, namely, cutting order, namely, reversing order, reducing/expanding/agreeing to replace. Finally, check the typesetting.