TED演讲之面对灾难:科技为人道主义带来的变化(3)
One illustration of the transformational power of technology is in Kibera. 一个与科技改革力量有关的例子发生在基贝拉 Kibera is one of Africa's largest slums. 基贝拉是非洲最大的贫民窟之一 It's on the outskirts of Nairobi, the capital city of Kenya. 位于肯亚首都内罗毕郊区 It's home to an unknown number of people — some say between 250,000 and 1.2 million. 这里...