兼顾

Managing her home life and work was proving to be something of a juggling act.

家庭和工作都要，简直像杂耍一样。

Called suboptimization, this is a trade-off that increases the advantages to one unit or function but decreases the advantages to another unit or function.

这就是所谓的局部优化：增加一单位或部门的便利同时减一个单位或部门的便利，这是在两利不的情况下所做的取舍。

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，才发现解决该问题的新思路。