(Trust that you know something about the project, both on the job and verbally. With the development of the times, we have entered an era where everyone is a project manager, but not everyone has truly grasped the essence of project management, nor does they know how to do a good job in projects. "Project Management Tutorial That Everyone Can Understand" will open a door for you to "systematically learn project management", and use fragmented time to comprehensively learn the PMP knowledge system.)