Du Niang said that Lin created a sentimental work to commemorate the fourth anniversary of Xu Zhimo's death.
Let readers feel that Lin and Xu Zhimo cherish and persist in this emotion! However, the whole poem adopts the combination of direct narrative and symbol, and the unity of crescent poetry school and modern poetry school. It is implicit and poetic to express emotions by creating an emotional atmosphere, which has an impact on readers' grasp of the connotation.