Why you keep losing money with trading?

What is a perfect trading system? Or is there a so-called perfect trading system?

How to determine whether your trading style is short-term or long-term?

Tell me how hard you have worked to make money in trading?

Why do many people say that those who use naked k to make orders are masters?

Fund management has always been a headache for me. May I ask you guys, how can I do a good job of position control?