(1) All topics of futures investment analysis are put together. When you click the "Select Theme" button, you can't find multiple themes quickly. Time is very important in the analysis of futures investment. I don't want to waste time looking for a topic.
(2) When you finish the 15 judgment question first, you may take the result of your 15 judgment question as correct information to do the following questions, which may lead to a series of mistakes (if some of your 15 judgment questions are not done correctly), I only do100 for myself.