antinome       
noun [ C ]  formal uk/ˈæn.tɪ.nəʊm/ us/ˈæn.tə.noʊm/
 相对物
something that contradicts (= disagrees with or says the opposite to) itself or something else; an opposite
  Both terms of any antinome, such as Good-Evil, tend to become of equal importance. 任何相对物的两个极,例如善与恶,往往变得同等重要。 
 - More examples
- The most remarkable and important antinome in the moral world is man's double nature.
- The moral and the physical worlds are governed and controlled by innumerable antinomes or opposing, yet co-operative laws or forces.