translation.en: If you take the 10 countries that went on to become the Western empires, in 1500 they were really quite tiny -- five percent of the world's land surface, 16 percent of its population, maybe 20 percent of its income.
translation.zh: 看看这十个 后来成为 帝国的西方国家 在1500年时 这些国家都很小 仅占全球土地面积的5% 人口仅占世界人口的16% 而收入在全球仅占20%