What role does the poem "I don't know who Jiang Yue treats, but the Yangtze River sends water" play?

In poetry, this sentence plays a connecting role, followed by "Who saw the moon by the river?" Jiang Yuehe took pictures at the beginning of the year? "The second turning point after the turning point from scenery to feeling is the turning point from feeling to feeling. Naturally, it leads to the personal events behind it, and achieves the harmonious unity of scenery, emotion and emotion. X0d \ X0d \ highlights the author's outlook on the world, life and time and space, and then expresses a philosophical understanding of life. For the whole poem, it brings a philosophical artistic conception. \ x0d \ x0d \ In sense, this sentence is concise and easy to understand, but it has an extraordinary artistic conception. I don't know who shines on the moon on the river, but the Yangtze River keeps sending water. However, there are also people and things that have hopes or likes for themselves. Because of some unpredictable variables, I can't realize my wishes, I feel deeply about the surrounding scenes and changing things, and then I am infinitely disappointed in helplessness and confusion. Because the events described by the author involve the scenery of heaven and earth, the world is worldly, there is no exact reference, and the coverage is relatively general, which can bring a feeling to all disappointed people, make them disappointed without sadness, and then give people a natural and cosmic openness and freedom. Therefore, it can be widely circulated in a popular way, accepted by many people, and become a famous sentence that is universally applicable. At the same time, it has become the crowning touch of the whole poem.