gelingBNC²³⁶²¹³⁺¹ 例句 The introduction describes the object of study and methods of this paper, defines the concepts of narrative ethics and life form, and outlines the status of Yan Geling's works. 引言部分介绍了论文的研究对象和方法，对生命形态、叙事伦理等概念进行了界定，并概述了作家作品的研究现状。 fabiao