2. White swan's feathers are as white as snow, black swan's feathers are as satin, and its neck is soft and slender, which is the representative of purity and the embodiment of the artist's poetry and aesthetics.
3. A pair of snow-white swans are floating on the water, like two giant Bai Lianhua.
The black swan swaggered ashore, just like a pretentious gentleman, only to see it strode back and forth thoughtfully.