Transformation of China's economic development model from the perspective of public goods 并列题名：Transformation of China's economic development model from the perspective of public goods Transformation of the economic development pattern in the resource--based region Practice and transition of national development zone in China: from the perspective of public policy Local government and regional economic development from the perspective of administrative ecology Construction and research of second language dynamic development model from the perspective of complex system theory Dynamic transformation of China's economic development under the new normal Transformation of economic development and the internet financial thinking Transformation of provincial economic development mode in China Transformation of economic development pattern and China's economic security