The fees for online operation training courses of Meituan merchants are determined according to the course duration and content. Different courses may have different charging standards. Generally speaking, the longer the course and the richer the content, the higher the fees will be. This is because longer courses need more teaching resources and teachers, and the content is more comprehensive and in-depth, which can provide more practical knowledge and skills. Therefore, the online operation training course of Meituan merchants is reasonable and matches the value provided.