The name of Han Han's book,"Like a Young Man Flying", used the Chinese conjunction "la" to connect two short sentences to form a mood auxiliary word to strengthen the expression. To be specific," speeding like a teenager " could be interpreted as " speeding like a young man ", emphasizing that the protagonist had a strong dream of racing when he was young and had been persistently pursuing his dream to finally succeed. In reading, this "la" can be read as "la" to enhance the appeal of the tone.