1. Use vivid metaphors and vivid descriptions: The author concretizes Qiu Si through metaphors so that readers can better understand abstract emotions. For example, "Missing is like the wind, blowing constantly in my heart, like falling red leaves, and I can't find my home".
2. With the help of natural scenery and environment: By describing natural scenery and environment, the author links abstract Qiu Si with concrete scenery, so that readers can feel emotions better. For example, "the plane tree outside the window, its leaves gradually turn yellow, and when the wind blows, it is like a butterfly dancing."
3. Using symbolism: The author uses symbolism to express Qiu Si. For example, "in this autumn, I seem to have become a withered flower, without vitality and vitality."
4. Using music, poetry and other art forms: The author can express abstract Qiu Si through music, poetry and other art forms. For example, "In the autumn sunshine, I sang a sad song gently, and my thoughts were myriad."
5. With the help of emotional expression: The author makes readers feel the abstract Qiu Si by directly expressing emotions. For example, "Missing distant family and friends is like the cold wind in autumn, which makes people feel endless loneliness and loneliness."
In a word, writing abstract Qiu Si needs vivid description, metaphor, natural scenery and environment, symbolism, music, poetry and other artistic forms and emotional expressions.