比如马丁·路德·金在他那篇名文《我有个梦想》中所提出的远景不仅发端于美国平等和包容的主流价值观之上，而且还源自于非裔美国人饱受奴役和排斥的惨痛经历。
The vision that Martin Luther King, Jr., expressed in his “I Have a Dream” speech, for example, was deeply rooted not only in America’s professed values of equality and inclusion, but also in African-Americans�� experience of subordination and exclusion.