(This course collects 30 + core pain points about the operation and delivery of Dou +, and systematically expounds these core issues. It is especially suitable for creators who do not understand Dou + account operation and delivery. It's also a course that helps you save money, When you improve the operation and delivery awareness of Dou +, you can spend 100 yuan of Dou + for 300 yuan of delivery effect, and leverage more free traffic with the minimum cost and maximum probability.)