translation.en: The global shipping economy would not be possible So whenever you talk about Africa, you have to put up this picture of the world from space, and people go, "Look, it's the Dark Continent."
translation.zh: 没有这样的非洲技术， 全球航运经济就不可能实现。 所以每当你谈到非洲， 展示这张从太空拍摄的地球图片， 人们会说，"你看，那是黑暗的大陆"