translation.en: And if we look at an image of Smithfield in 1830 you can see that it would have been very difficult to live in a city like this and be unaware of where your food came from.
translation.zh: 如果你想象一下1830年的Smithfield 你会发现很难在这样一个城市里面生活下去 并且不留意食物的来源