人们认为作家的想象力永不枯竭，所以他能够…

People think the writer’s imagination is always at work, that he’s constantly inventing an endless supply of incidents and episodes; that he simply dreams up his stories out of thin air.
人们认为作家的想象力永不枯竭，所以他能够源源不断地创作出各种事件和情节，并且他们创作的故事仅仅是凭空而造的。