People always like to study too many things that don't need to be studied, and many times it's almost enough, don't waste time on meaningless research. Then it's better to study the K-line clearly, you know that the money is enough, and most products don't need to be studied. Recently, I have been looking at maternal and infant products, and I have a lot of reviews on Xiaohongshu. Just like many spiritual guys have studied various sports cars clearly, but they don't even have a scooter