1. Location is different: Nanjing is the capital of Jiangsu Province, and Xuzhou is a city in Jiangsu Province.
2. Different legal environment: Nanjing, as the capital of Jiangsu Province, may have a more perfect legal environment than Xuzhou.
3. Different market environment: Nanjing, as the capital of Jiangsu Province, may have a more active market environment than Xuzhou.