translation.en: It took much longer than sometimes we like to think in this story, but by 1866, when the next big cholera outbreak came to London, the authorities had been convinced -- in part because of this story, in part because of this map -- that in fact the water was the problem.
translation.zh: 这个过程比我们通常以为对这类事情该花的时间要长很多， 但是到1866年，当下一个大型的霍乱在伦敦爆发的时候 政府确信了——部分是因为这个故事， 另一部分是因为这个地图——事实上水是问题的存在。