Extending a story could enrich the content of the story by adding plot, character setting, background description, etc., so that the reader could better understand and feel the characters and the world in the story. Here are some tips for expanding the story: 1. Add plot: Plot is the core of the story. You can promote the development of the story by adding plot and let the readers better understand the characters and the world in the story. For example, you can add new events, character conflicts, or plot twists to make the story more intense and interesting. 2. Creating characters: characters are an important part of the story. By creating new characters, the content of the story can be enriched and the readers can better understand and feel the characters in the story. For example, he could add new characters, personalities, and backgrounds to make the characters more realistic and three-dimensional. 3. Add background description: The background description is the background information of the story. By adding background description, the content of the story can be enriched and the readers can better understand the characters and the world in the story. For example, it could describe the world, history, culture, and social background of the story to make the story more realistic and rich. 4. Tempo of the story: The tempo of the story refers to the speed of the story's development, the plot turns, and the way the plot develops. You can adjust the tempo of the story to make the story more intense and interesting. For example, he could speed up the pace of the story and increase the plot twists and character conflicts to make the story more compact and exciting. 5. Adjusting the perspective of the story: The perspective of the story refers to the perspective from which the story is told. You can adjust the perspective of the story to make the story more vivid and interesting. For example, he could make the story more diverse and rich by switching between different character perspectives, time perspectives, or spatial perspectives. By using the above techniques, one could add plot, character setting, background description, etc. to the story to enrich the content of the story and let the readers better understand and feel the characters and the world in the story.