Why do Xu Zhimo often use dashes in his poems?

Xu Zhimo's poetry embodies the artistic characteristics of the modern famous poetry school Crescent School. In artistic creation, especially in poetry, the use of dashes usually plays a turning or inexhaustible role, leaving room for imagination and creating a good artistic atmosphere.

Only a small part of Xu's poems are fine works, and most of them are quantitative products. China's achievements in modern poetry are limited, just look at it.