dialectic

1. N-COUNT People refer to the dialectic or dialectics of a situation when they are referring to the way in which two very different forces or factors work together, and the way in which their differences are resolved. (两种力量或因素的)对立统一[技术] [with supp, oft 'the' N 'of/between' n]

...the dialectics of class struggle and of socioeconomic change. ...阶级斗争和社会经济变化的对立统一。

2. N-UNCOUNT In philosophy, dialectics is a method of reasoning and reaching conclusions by considering theories and ideas together with ones that contradict them. 辩证法[技术]