Only can we interpret this chapter by dint of glossology and thoughtway together, and discuss it under the frame of Mencius's theory of good humanity, we can find new clew to solve this question .

本文主张，只有兼顾训话与思想史两个视角，把此问题放到孟子性善论的整体框架下讨论，才能发现解决该问题的新思路。