primacy /ˈpraɪməsɪ/

• 1. 

  N-UNCOUNT The primacy of something is the fact that it is the most important or most powerful thing in a particular situation. 首要; 首位 [正式] [oft 'the' N 'of' n]

  例：

  The political idea at the heart of this is the primacy of the individual.

  其核心的政治观点表现在这里就是个体第一。