translation.en: Because actually radical innovation does sometimes come from the very best, but it often comes from places where you have huge need -- unmet, latent demand -- and not enough resources for traditional solutions to work -- traditional, high-cost solutions, which depend on professionals, which is what schools and hospitals are.
translation.zh: 因为事实上革新性的创造有的时候 来自于发达地区 但它经常来自于 有庞大的需求 不足，和潜在需要 而且以现有资源和方式无法解决问题的地方- 传统的高成本方法 依赖专业人员， 比如学校和医院