【TED】Stephen DeBerry：為什麼「落後地區」通常都在城市的東邊？(為什麼「落後地區」通常都在城市的東邊？ | Stephen DeBerry) (【TED】Stephen DeBerry: Why the "wrong side of the tracks" is usually the east side of cities (Why the "wrong side of the tracks" is usually the east side of cities | Stephen D