2. Source: Yu Dafu's Diary of the Sick Room: "Go out with them to visit their fellow countryman Alfred, and go to the Bao Han Teahouse in the North Gate for dinner without meeting."
3. Sentence-making: According to a large number of historical records, the daily diet and eating habits loved by all walks of life in the Song Dynasty were well documented, and even appeared in the recipes of Chaliao Wine Shop at that time.