【主持人语】本期的四篇文章分别以报纸副刊、图书出版、电视纪录片和网络文字为研究对象,探讨其在特定时空条件下的文化传播意义和价值。员怒华的《五四时期副刊变革动因探析》一文,从《新青年》及新文化运动影响、新式教育的兴起与发展、媒介自身的原因三个方面探寻五四副刊变革的历史动因,认为历来不为人所重视的报纸副刊,在五四时期却成为支配 Moderator Language The four articles in this issue take newspaper supplements, book publishing, TV documentaries and online texts as research subjects, respectively, to explore the significance and value of cultural dissemination under specific time and space conditions. On the motivation of the reform of the supplement during the May 4th Movement through “An New Youth” and the impact of the New Culture Movement, the rise and development of the new education and the reasons of the media itself, The newspaper supplement, which has never been valued by people, became the dominant one in the May 4th Movement