When Qingling was a child, she made an appointment with her classmate Xiaozhen and taught her origami.

The next day, my father will take the whole family out as guests.

Thinking of Xiaozhen's coming, Qingling insisted on staying at home until Xiaozhen came at ten o'clock.

I didn't know until afternoon that it was Xiaozhen who was ill in hospital. Mom and dad praised her for keeping her word.

well-known saying

Knowledge comes from hard work, and any achievement is the result of hard work.

Youth is the pillar of the revolution. Youth is the defender of revolutionary achievements and the force to accelerate history to a better world.