The city is the center of public health, education, public affairs, sarathet, etc, so the quality of the service, the quality of the medical treatment. The quality of education and so on, so it's often better quality.
Downtown is the center of public health the economy ministry study on the quality of service. The quality of medical treatment The quality of education and other so often have better quality.
In the center of town government public health, economic paper mission, etc. so, the quality of services, the quality of medical treatment, the quality of education. And so on, will have the better quality.