In defi, inscriptions, ai， I have earned a floating profit of A9. This is not to boast about perpetual profits, on the contrary, every time it retreats by more than 50. Even though he is a good offensive player, his defense has always been poor. Profit and loss come from the same source, or accepting this strategy will result in this kind of retreat; Either stop when it's good and leave immediately when you get this profit in the next opportunity, and wait for a new opportunity to talk about it. It's all difficult, against human nature.