最近这几年 ,城市作为一个社会结构单位在各种文化论述中越来越备受瞩目 ,城市的历史和文化传承不仅吸引了众多学者埋首研究 ,而且也给文化市场创造了一个卖点 ,《老北京》、《老上海》等“老”字号书籍纷纷出现 ,俨然造成了一股怀旧的潮流。从某种角度看 ,都市怀旧可说是信息? In recent years, as a unit of social structure, the city has drawn more and more attention in various cultural discourses. The history and cultural heritage of the city not only attract many scholars to study it, but also create a selling point for the cultural market. Beijing “,” Old Shanghai “and other” old "number of books have appeared, as if creating an nostalgic trend. From a certain perspective, urban nostalgia can be said that information?