45. He needed to first find out what the book referred to and then determine its role in the story based on the meaning of the book in the context. Finally, according to the plot of the story and the relationship between the characters, the importance of "that book" in the story was analyzed. According to the meaning of " that book " in the context, it could be confirmed that it was the novel " One Hundred Years of Solitude." One Hundred Years of Solitude was one of the masterpieces of Colombia Márquez. It told the story of the seven generations of the Buenda family and was one of the classics of Latin-American literature. According to the plot of the story and the relationship between the characters, one could determine the importance of that book in the story. At the end of the story, Marquez revealed the fate of the Buenda family through "that book", so that the readers could deeply feel the profound meaning of the novel. Therefore, the book played a crucial role in the story and was the key element that drove the development of the story.