1) From elite education to mass education, people from all walks of life can go to universities. There are n times more people going to college than before.
2) From elite education to mass education, the education level of the whole society has been greatly improved, and the illiteracy rate is almost five thousandths now.
3) Economically, mass education has enabled the society to be led by many high-quality talents at different levels, making economic development more directional and dynamic.