So this was the state of London in 1854, and in the middle of all this carnage and offensive conditions, and in the midst of all this scientific confusion about what was actually killing people, it was a very talented classic 19th century multi-disciplinarian named John Snow, who was a local doctor in Soho in London, who had been arguing for about four or five years that cholera was, in fact, a waterborne disease,
这就是伦敦在1854年的状况， 在这种屠杀和进攻的时期， 和这种科学认识上的混乱之中， 这样的状况事实上是在屠杀人们。 那时有一个名叫斯诺的人，他是个非常有才华的19世纪的传统的多规律学者， 他是伦敦苏荷的一个地方医生， 他一直争论了四五年。 他认为霍乱，实际上，是一个种水性疾病，