What are its characteristics? It represents the social needs in a certain period. Society must have political connotations.
Give an example to illustrate the application scenario: educated youth going to the countryside is not voluntary. It is produced to solve social employment and stabilize the overall situation of the country.
Other meaning: After graduating from junior high school and senior high school, urban youth must settle in the countryside. This is mandatory.
Give an example to illustrate the application scenario: nowadays, in order to make up for their sacrificing their personal future for the country. The state has many preferential policies for educated youth; Calculate the length of service during the period of going to the countryside. . .