Compared with the luminous glass wine in Liangzhou Ci, what is the difference between the first two sentences of this poem in describing the scene? Please analyze it briefly.

The first two sentences of this poem (1) not only describe the scene of war and confusion and hatred of the border, but also have the association and imagination of the flowers and flowers in Qin's hometown. The first sentence is about the colorful blooming period of Qin dynasty, when birds competed for food. The second sentence describes the scene of traffic jam at the border. The wind is strong, the sky is gray and cold.

Analyze this topic and investigate the expression skills of appreciating literary works. The title requires comparing this poem with the luminous glass of grape wine in Liangzhou Ci, and analyzing the perspective of describing the scenery in the poem. "Liangzhou Ci Grape Wine Glowing Cup" describes the colorful, dazzling and fragrant grand banquet before the soldiers went out to war, rendering a cheerful atmosphere. This poem not only has association and imagination, but also actually writes the scene of the frontier near the Great Wall, which is a combination of reality and contrast.