1 Let me share the annual U-based contract curve. My income is definitely not high in the circle, but the retracement of the curve is still a little bit interesting and can prove a little bit of strength. I am the kind of person who aims to make a living from trading. I have my own trading system. I also built a software to record every transaction I make (Figure 2) and use it for review, analysis and improvement. It can be said that You are very serious about doing business! I’m not posting this to brag about myself. After all, it’s still far from my goal and not worth showing off. I’m just posting this to increase my credibility so that friends who come in from the comments are dog bettors. Heed this advice, if you If you are not as serious as I am (I have spent 4 years learning trading, read countless books and videos, and reviewed hundreds of times), then just stop! In addition to trading, there are many ways to go in the world!