After 20 years of full-time trading, I have a better understanding of this market. It is really a year in the world. The market rotates between long and short positions. As long as there are fluctuations and a certain band is made, you can make money regardless of whether you are long or short. Therefore, sometimes you should try to avoid your subjective judgment to interfere with the objective trend of the market. Because there are too many subjective judgments, once the market goes against the trend, it is easy to carry the order. So no matter how the market goes, just trade with the trend. In fact, there are infinite opportunities in the market. As long as you try to avoid repeating mistakes, such as carrying orders against the trend and heavy positions against the trend, you can keep the principal and make profits in the market.