translation.en: Any number of them, such as Sao Paulo or Istanbul or Moscow, has a GDP approaching or exceeding one third of one half of their entire national GDP.
translation.zh: 不论是哪些城市， 像圣保罗、伊斯坦布尔或者莫斯科， 它们的GDP都接近或超过 全国GDP的三分之一到一半。