It indicates the scene audience, Box Laff and the beginning & ending segment mean what, making use of the 4th Wall, Segregating Effect and Dionysia theory.

• 主要借助“第四面墙”、“隔离效果”和狂欢理论阐述现场观众和罐装笑声、片头片尾、拍摄花絮的意义。