I indicated a couple of points here where if we looked in the 1665 in London you could ask the question another way to ask the question why are people living so long is to ask the question, why do people die?

我在这里提示一些关键点,如果我们观察一六六五年的伦敦,从另一个角度来问,人为什么能活的更久,就是问人为什么会死

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