I have always wanted to discuss a topic-what does profit have to do with it? Mainly, many people hoped that I could talk about my personal methods and strategies, so I wrote this article (the content is mainly related to the medium and long-term, and I personally don’t know how to do short-term, and I really have no short-term experience). Let me say in advance that I am not a master, but also a little leek, and the expression is just my personal opinion. If there is any mistake or omission, I
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