What do you mean by overlap? What do you mean by overlap?

1, shooting, a folk guessing game close to divination. Cover an object under containers such as Ou and Yu, which makes people guess what is inside. The Biography of Hanshu Dong Fangshuo: The taste made several scholars answer. Yan Shigu's Note: The cover puts down things so that _ can shoot them, so the clouds shoot them.

2. According to the above records, shooting games were popular in the palaces of Han Dynasty. Judging from the development of the Book of Changes, the origin of shooting should be earlier than that of the Han Dynasty. At that time, most of the artifacts were daily necessities, such as towels, fans, pens and ink, boxes and cans.