When a high-ranking person hears the Dao, he diligently implements it; a middle-ranking person hears the Dao, whether alive or dead; when a lower-ranking person hears the Dao, they laugh heartily; if they do not laugh, they cannot be considered a Dao.
The purpose of opening a lead order is to benefit more people is not profit or show-off, you can play with Xiao U, contract trading is risky, and investment needs to be cautious.
