Do you know that Education Technology Co., Ltd. is not a pyramid scheme? Everyone is looking at the gray line of the charging line. Is it positive or negative? How to divide the charger cable into gray and white? White is masculine and feminine. Spiritual pyramid selling is a variant of pyramid selling, which refers to some illegal training and education institutions, information consulting companies or individuals who adopt spiritual suggestion, hypnosis and brainwashing under the banner of various trainings.