translation.en: And there's a statistic I often like to use, which is that we're adding a city of Seattle every four days, a city the size of Seattle to the planet every four days.
translation.zh: 我经常引用一个数据 那就是 每四天 地球上就会多出一座如西雅图那个规模的城市 或者是像西雅图那样的城市