2. What are the similarities and differences between the themes and their expressions in Mo Yan's novels and those of other contemporary writers?

1. Similarities: Both are concerned with the themes of social reality and human nature, and reflect the problems and phenomena of contemporary society through literary creation.

2. Differences: Mo Yan pays more attention to the excavation and reflection on traditional culture, and is good at using magical realism, presenting characters and storylines through unique narrative and language styles, which is more innovative in literature and artistic value. Other contemporary writers pay more attention to realist themes, focusing on the portrayal of character psychology and social reality, and more diversified styles and techniques.