(A set of scientific methods are summarized. If you have a limited number of people or teams and can only focus on business areas, such as finance, sports, mother and child, tourism, emotion, health, workplace, etc., I have neither time nor possibility to understand so much industry expertise. But this method is effective in these industries. Choose an industry, find the right place, show your specialty to users, and then trade. This method can be applied to almost all industries.)
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