What is the meaning of "official gift" in the Yellow Calendar?

1. It refers to the crown ceremony and ceremony held separately by men and women in ancient times. Book of Rites: "Marriage is crowned, so don't be a man or a woman." Zheng Xuan's Note: "Men are crowned at the age of 20 and women are married at the age of 20. This is an adult gift."

2. refers to adult men and women. In the Qing Dynasty, Chen Kangqi's "Swallows Going to the Countryside" Volume 8: "Dai Mingshi rebelled and reached an inch. Everyone gave up the market, and those who didn't reach the crown became rich. "