1. Repeated emphasis: By using the same word or phrase repeatedly, readers can understand the meaning and importance represented by this word or phrase more clearly.
2. Increase the expressive force of language: By repeatedly using the same word or phrase, readers can feel the emotion and meaning represented by language more deeply.
3. Increase the rhythm of the language: By using the same word or phrase repeatedly, the language can be more fluent and beautiful.
4. Increase language coherence: By reusing the same word or phrase, languages can be more closely and organically linked.
5. Increase the memory of the language: By reusing the same word or phrase, the language can be more deeply rooted in people's hearts and more easily remembered by people.
6. Increase the artistry of the language: By reusing the same word or phrase, the language can be more poetic and aesthetic.
7. Express the emotion of the sentence: By using the same word or phrase repeatedly, the language can be more real and touching.
8. Enhance the descriptive ability of the language: By reusing the same word or phrase, the language can be more concrete and vivid.