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[美国20世纪最伟大的演讲] 美国20世纪最伟大的演讲第36期:肯尼迪在美国大学毕业典礼上的讲话
I speak of peace because of the new face of war. Total war makes no sense in an age where great powers can maintain large and relatively invulnerable nuclear forces and refuse to surrender without r..2014-08-18 编辑：emma
