study

Hello everyone, I am your cat brother. I actually finished writing this just now, but the program crashed and there was no draft box, so I had to rewrite it. This is what I promised to write to a friend, so no matter how late it is tonight, I have to finish it.
For a long time, there has been a misunderstanding about spot goods, that is, as long as I buy spot goods, I can buy them at any time, no matter what the position is, I can enter. Anyway, even if I am trapped, I have no risk. I just need to wait patiently and it will go back up. But in fact, many times, if someone teaches you this, you should slap him to death. If someone teaches you this, he is either stupid or bad. I still want to believe that he is just stupid, not deliberately bad.