a study based on the practice of Guangdong Province based on the practice of Hunan province based on the practice of Zhejiang Province based on the practice in Yunnan Province based on the practice in Zhejiang province 省域青年政策的生成与发展:基于广东省实践的研究:a study based on the practice of Guangdong Province a study based on the perspective of trade and finance influence a study based on the case of Chengdu a study based on the perspective of economy virtualization reflections on the practice of Luquan in Yunnan province