Different roles: the guest is the person who is responsible for receiving and accompanying the guests, and is the organizer or the representative of the organizer, who is responsible for receiving the guests, guiding the guests to their seats, and providing necessary information and help. The host is the person who is responsible for hosting and organizing activities, and is the host of activities. He is responsible for guiding the whole activity, including announcing the start and end of the activity, introducing guests and speakers, hosting the program session and interacting with the audience.

Different responsibilities: The main responsibility of the guest is to ensure the comfort and satisfaction of the guest and make the guest feel respected and valued. The main responsibility of the MC is to ensure the smooth progress of the event, so that the audience can participate in the whole process and get a good experience.