But it's so much better now and I really never felt unsafe.
现在这里好多了,我真的从来不会觉得不安全。
What makes it so much better to be alive now in terms of your likelihood to die of an infectious disease than it did in London in 1665?
是什么让生活变得更好呢,从传染病死亡率的角度来讲,与1665年的伦敦相比
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