Providing equal,hierarchical and high-quality sports public services for all teenagers is a significant embodiment of the practice of people-centered development concept,and is one of the strategic goals of building a powerful country in sports.The construction of youth...MORE Providing equal,hierarchical and high-quality sports public services for all teenagers is a significant embodiment of the practice of people-centered development concept,and is one of the strategic goals of building a powerful country in sports.The construction of youth s...