The rich lyrical color is a major feature of this article, and the lines are full of love for birds. He sincerely respects the migration and flight of geese. He is afraid of wild geese, and he is sad and sad for the misfortune of lonely geese covered in scars. He is happy and happy for the return of the geese, and he also sincerely loves the songs of the geese. Even if he doesn't express his feelings directly, his pen and ink also contain love.