translation.en: But when you think that every day for a city the size of London, enough food has to be produced, transported, bought and sold, cooked, eaten, disposed of, and that something similar has to happen every day for every city on earth, it's remarkable that cities get fed at all.
translation.zh: 然而，当你想像每一天，在一个伦敦那么大的城市， 要生产足够的食物 运输、交易这些食物， 烹饪，食用，最后扔弃它们 而且类似的事情每天都发生着 在地球上的每一个城市都如此 每个城市都有食物供应，这件事很不可思议