translation.en: We'd dramatically reduce the human footprint on Earth And if these are cities governed by good rules, they can be cities where people are safe from crime, safe from disease and bad sanitation, where people have a chance to get a job.
translation.zh: 我们将急剧减少人类在地球上的足迹 如果这些城市在完善的体制下治理 他们可以成为人们 远离犯罪、疾病以及低劣的卫生条件 人们可以找工作