Arenas

n.

表演场地( arena的名词复数 )；竞技场；活动或斗争的场所或场面；圆形运动场

Arenas of language use.
Arenas of Language Use - Introduction
Organizations as emotional arenas.
Framing effects and arenas of choice: Your money or your life?
The Rise and Fall of Social Problems: A Public Arenas Model
The Growth Effects of Sport Franchises, Stadia, and Arenas
Use of land facets to plan for climate change: conserving the arenas, not the actors.
Scientific Communities or Transepistemic Arenas of Research? A Critique of Quasi-Economic Models of Science
Knowledge exchange processes in organizations and policy arenas: a narrative systematic review of the literature.
Extraordinary Sex Roles in the Eurasian Dotterel: Female Mating Arenas, Female-Female Competition, and Female Mate Choice