2. Yu Hong:
Swan was also called mandarin fish, red, crane, white crane, oriole and yellow crane in ancient times.
Such as: "Guanzi Caution": "Today's husband is a swan, and spring is in the north and autumn is in the south, without losing time."
Swan and swan.
For example, Ruan Wei's book "Yong Huai" (the 43rd time): "Swan flies with the wind, and flying is suitable for people who are barren."
3. Group: Describe a lot.