mindmap
root((处处寡头多数虚荣乏味))
oligarchy
is applicable to any government or state in which power is openly or virtually in the hands of a favored few: :the many ~ies of ancient Greece.
aristocracy
basically and historically implies the rule of the best citizens, but in its more usual use it implies power vested in a privileged class, often regarded as superior in birth and breeding: a revolution that toppled the ~.
plutocracy
implies concentration of power in the hands of the wealthy and is regularly derogatory: successful attempts to prevent the state from becoming a ~.