You can associate it by learning ancient poems, such as Su Dongbo, where you have been. You can associate the scene at that time and compare it with the present situation. For example, she has been to Suzhou and Hangzhou many times. . Then associate. . For example, he has been to many brothels. What are the ancient brothels? You know, of course, there are no brothels now, only nightclubs and bath centers.
Then you think about what Su Dongpo wrote when he went to Hangzhou, and the impact and value on Hangzhou.