来自《耶鲁大学开放课程：1600年后西方社会的流行病 第10集 第10集》

• 
  
  The disease would then spread along inland transportation networks.
  疾病会沿着内地的交通运输网而传播
• 
  
  We've said too that cholera was a disease of urbanization,
  我们曾说过霍乱是一种城市化疾病
• 
  
  and of a defective urban infrastructure,
  尤其当这个城市的基础设施存在缺陷
• 
  
  without sewage systems.
  没有下水道系统时
• 
  
  And remember, in the nineteenth century,
  有一点我们要记住 十九世纪时期
• 
  
  waste in European cities was predominantly thrown into the streets,
  在欧洲 人们经常将垃圾直接弃于街道
• 
  
  where there would be a seepage downward into tank wells;
  其中的污水直接往下渗流到贮水池和井里
• 
  
  that people would then drink the water and its bacterial bounty.
  这样 人们会通过饮水直接饮入了细菌物质
• 
  
  Remember, too, that that many of the cities of Europe-- Naples,
  当时欧洲的许多城市
• 
  
  that you're reading about,
  如你们读过的 那不勒斯
• 
  
  but Paris too, and many others--
  巴黎 以及许多其他城市
• 
  
  were surrounded by vegetable gardens,
  四周都有许多蔬菜园