Du Fu is younger than Li Bai and has just experienced the disaster of An Shi Rebellion. It forms a subtle and melancholy style. Such as: A leopard cannot change his spots, a leopard cannot change his spots, once shed tears, a lonely bird mourns, Zhumen, wine and meat stink, frozen bones on the road, etc. All reflect their thoughts of worrying about the country and the people. It is magnificent and full of reality.
"Taibai can't be depressed for Zimei, and Zimei can't be elegant for Taibai"? It is said that the poetry styles of these two great poets are quite different. It can be said that Li Bai is more romantic and Du Fu is more realistic.
Personal opinion, please refer to the landlord.