(1) Qiu Zhizhi's childhood neighbor moved to Chungang when she was a child. When she grew up, she took a year's vacation, specifically planning to go to Chungang to see why her neighbor wanted to move there.
(2) After he and she visited Chungang, they went to Qiuwan, where they watched summer and winter and enjoyed spring and autumn.
Purpose: When we were children, we meet our grown-up selves