The leaves are green and shiny, and the grass is green and makes your eyes work hard. There is no mention of spring rain. Why did the author write in the article?

With exaggerated rhetoric, it highlights the characteristics of leaves and grasses, writes the strong feelings of the scenery, vividly depicts the abundant vitality, and has strong artistic expression and appeal.

Why write? There must be a reason for writing it. Through the color state of the scenery-leaves and grass, the vitality of spring is depicted. You think that the spring rain is coming, then there must be dew on the leaves and grass, so it will emit bright light, so it also depicts the clarity of the spring rain from the side, giving people a fresh feeling.