Recently , new urbanism becomes popular , which holds to develop both insides and outsides of city . according to function , city area can be divided into cbd , industrial area , residential area and so on . these areas " arrangement in city space shows some rules such as the fan shape , multi - corns 本文从经济地理角度出发，在时间维度上，探讨了“城市化?逆城市化?新都市主义”的发展过程；在空间维度上，阐述了商业、工业、住宅等城市职能分区和同心圆、扇形、多核心等城市地域空间结构理论。
With the huge changes of structure and conformation in the city , a business center district got involved working functions of the city more , integrate exploitation in the city , and develop excessive space of city , which includes the business shopping , amusements , culture with transact and official business etc , as the multi - function city space of the integral whole 现代城市空间结构与城市形态的新变化，使得商业中心区更多地介入城市职能，并结合城市开发，发展为集商业购物、娱乐、文化和办公等为一体的多功能城市空间。目前，在国外，特别是欧美，商业空间的规模及构成形态都发生了很大的变化。
