Brief opinions are as follows:
1. The incision should be small. If the incision is small, it is easier to talk about it in detail. If you don’t understand, you can avoid it, and you can extend it vertically and horizontally.
2. There needs to be a lot of information. You must read a lot of books, posts and the Internet, and have a lot of information, especially famous scholars.
3. The opinions must be correct, and you must be able to get into the small circle, otherwise you will be a layman, and you must be able to get out, otherwise you will have no opinion.
4. The clues should be clear, the concept of "history" should be highlighted, the origin and evolution should be clear, and there should be no room for sloppiness.
5. The key points should be highlighted, and calligraphy should focus on the relevant people. Don’t hesitate to use pen and ink to stick to the topic, and it must be consistent with the clues.
6. Pictures should be precise. Not matching pictures without pictures is not good, and over-matching pictures is even worse. Closely follow the topic selection and match the original text with good pictures and big pictures.
7. The format should be similar. Papers should look similar. This is the easiest to learn, you know.
8. The language should be simple. The ancients liked to think concretely and used metaphors. Today, people like to think abstractly and play more with logic.