city group的用法和樣例：
例句
- Reasonable planning and construction of Changsha Zhuzhou Xiangtan Logistics Park are of great significance to the development of the city group.
摘要合理的長株潭物流園區規劃建設對長株潭城市群發展具有重要意義。 - The functions of the industry clusters in thedevelopment of city groups include the drive mecha-nism and restriction mechanism.
產業集群在城市群發展中的作用機制有驅動機制和約束機制。
