It's pyramid schemes. 1. product: strict array. 2. Reasons for derailment: job introduction, online dating and cooperative shop opening. 3. Price: 3,900 yuan/set (i.e. admission fee, no products). 4. Class content: three courses of commercial law system (attached 1), and four extended courses. 5. System: five levels, Sanjin system, five levels: salesman-supervisor. Manager (two main lines with 65-392 sets of products, which can be purchased by himself) General Manager (2-4 manager lines with 393 sets of products, which can be purchased by himself) Note: the maximum number of products purchased is 80 sets. General leaders will lobby to buy at least 10 sets of products, and many people will use their wages to buy more products in the future. 6. code word: face: the first category, that is, the system category. (All salespeople can attend classes)