The ancients thought that "cow" was a symbol of hard work and labor, but at the same time it was often combined with irrationality, more or less related to cows being angry and hitting things at will.

The ancients thought that "goose" was a symbol of beauty and art, otherwise why did the ugly duckling become a swan, that is, the person who dared to be ugly became the most beautiful. More or less related to Wang Xizhi, because Wang Xizhi's ci is inspired by watching geese dance every day, combining the beauty of dance and words.