the domino theory

劍橋詞典

the belief , especially in the 1950s and 1960s, that if one country became communist, other countries near that country would more easily also become communist
多米諾骨牌理論（1950和1960年代的政治用語(yǔ)，指如果一個(gè)國(guó)家成爲(wèi)共産主義國(guó)家，其周圍國(guó)家也更易成爲(wèi)共産主義國(guó)家） 返回 the domino theory