Previously, in accordance with regulations about the production of commercials, Mandarin and dialect television were completely segregated. Advertising in dialect, as well, could only be broadcast during programs using dialect.
以往依電視廣告製作規範規定，國語和方言電視節目涇渭分明，兩種語言不能雜用，方言廣告也只能在方言節目的時段播放。