'The Native' was a science fiction novel by the British author, Asimoff. One of the details was: He (the protagonist) walked along the street and saw a huge glass curtain wall. Many huge crystal balls were hanging on the curtain wall, shining brightly. He felt as if he was in a mysterious world. The effect of this detailed description was to let the reader feel that the protagonist was in a mysterious world and could imagine the scene presented by these crystal balls. Such details could enhance the mystery and sci-fi feeling of the novel, making it easier for readers to be attracted and immersed in it. At the same time, such detailed descriptions could also lay the foundation for the development of the plot and provide background and clues for the protagonist's exploration and discovery.