A:
"One River, Spring Water Flows East" is a famous sentence with water as a metaphor for sorrow, which shows that Wang Yang, who is worried like spring water, pours freely; Another example is the spring water, which keeps flowing day and night. These nine words really express the depth and strength of feelings in the upwelling. Nine-character, five-character, four-character, flat and even, alternating flat and even, and finally ending with two flat and even characters, it reads like the ups and downs of spring in Jiang Botao, which is endless and really colorful. These last two sentences are also based on questions and answers, which doubly highlights the word "worry", thus making the whole word echo and flow freely.