Population: Although the territory of China is large enough and the total resources are ok, considering such a large population, the per capita resources are really pitiful. If overpopulation can turn into an advantage in human resources, that's not bad. The key lies in the low quality of the current population and the inconsistency between resource consumption and output.
Morality: In the process of economic and social development, due to one-sided emphasis on academic performance and some historical reasons, students are generally self-centered, and the neglect of morality has caused the current situation of social morality decay. In the long run, it will definitely have a negative impact on social development.