First of all, we should do a good job of understanding and collect information from various channels, such as the internet, books, chatting with people and so on. Then we can find a breakthrough point, assume or put forward a point of view, determine a position or angle, and then analyze and discuss this point, demonstrate or put forward new problems or solve problems. In short, it is to show the spark of thought and produce certain significance.

For example, these themes are very broad and vivid, flexible and changeable, and can also be combined with life and the side.