This sentence came from the Biography of Hulan River. In the novel, Xiao Hong described the life of a ticket seller at the Hulan River City bus station. She had worked in this position for decades, but she was gradually oppressed by life and became a prisoner imprisoned at the bottom of society. The author used this sentence to express his helplessness and emotion about the life of a ticket seller, but also to reveal the predicament and injustice faced by the people at the bottom of society. This sentence also implied that people should cherish their jobs, stick to their duties, and not be oppressed by life and become slaves to society.