将下面改写学术、精炼一点Since the regional division based on geographic location ignores the economic development gap between cities within the region considering the development level of cities we refer to the o

Given the economic disparities among cities within a region, it is inadequate to rely solely on geographic location for regional division. To account for the development levels of cities, we utilize the official "2020 Business Attractiveness Ranking of China's Cities" and construct a trend graph based on the city rankings (Figure 2).