都市,顾名思议,是行政中心“都”和商业中心“市”的所在地。“市”在城市构成中是不可缺少的部分,这已被古今中外的城市建设所证明。但是,在城市的发展进程中,“市”的型态、布局及建筑组成等,却随着社会经济状况的兴衰,科学技术的进步,以及人们生活方式的变化而改变,并且给城市的发展、结构布局和规划带来很大的影响。国外城市商业街在近几十年里所发生的变化,生动地说明了商业建筑与社会、科学、生活的紧密关系。市区——郊区——市区的变化过程 The city, as its name suggests, is the seat of the administrative center “Du” and the commercial center “city”. The “city” is an indispensable part of the city’s composition. This has been proved by the construction of cities in ancient and modern times. However, in the process of city development, the type, layout, and architectural composition of the “city” change with the rise and fall of social and economic conditions, advances in science and technology, and changes in people’s lifestyles, and give rise to the development of the city. , structure layout and planning have a great impact. The changes that have taken place in foreign cities’ commercial streets in recent decades vividly illustrate the close relationship between commercial buildings and society, science, and life. Urban - suburban - changes in the urban area