[] ( oligarchies) a small group of people who control a business, an organization, a country, etc. for a long time and are unwilling to let other people share power; the business, organization or country that they control寡头政治；寡头统治集团；少数人垄断的组织◆They demanded that the ‘self-perpetuating oligarchy’ of many boardrooms be opened up to a wider range of people.他们要求众多实行“垄断决策”的董事会向更多人开放。▸ˈoligarch