First, meetings with many people are not important, and there are not many important meetings. Second, meeting to solve small problems, meeting to solve big problems, not meeting to solve big problems. Third, you don't have to do what you have to do at the meeting. Fourth, the opinions expressed at the meeting should not be too serious, and the opinions exchanged after the meeting must be serious. 5. People who attend meetings basically don't attend meetings, and people who attend meetings basically don't attend meetings.