The Jin dynasty implemented the gate valve system, which made? The top grade is not poor, and the bottom grade has no home? . Tao Yuanming has never been reused. When did Peng Ze do it later? How can I bow down to the children in the village? Back to the countryside. For example, Biography, Drinking and Returning to the Garden by Mr. Wu Liu are all based on rural life to express his feelings of staying away from officialdom.