On March 2, 010, five college students admitted to Jinan after layer-by-layer examinations paid homage to work as teachers, and these five college students were accepted among nearly 400 candidates. After nearly half a year of training and environmental adaptation, They became veritable miners. What does this incident tell us? ["Social practice is more important than book knowledge, and it doesn't matter if you don't go to school.", 'Youth should pursue high-paying, comfortable, stable careers.', 'Choosing a career to avoid competition, self-employment is the best way to find employment.', 'As long as society needs, occupations that can contribute to society are glorious.']