Open source journals charge a page fee, which is about 65,438 yuan +0-2W, and some will be as high as 30,000-40,000 yuan. Non-open source, no publishing fee, that is, if hired, it will be published online for you. But generally speaking, the acceptance rate of non-open source is lower and the review time is longer. You can go to paper net, Tao Tao to learn about this knowledge and learn the relevant submission skills.