And old peoples diseased death rate is much higher than the natural death rate.
而老年人因病死亡率比自然死亡率高之甚多。
As a sports person. The task in front of us is very arduous. That is how to overcome the disease and improve the natural death rate.
作为一个体育人，摆在我们面前的任务很艰巨，那就是如何战胜疾病，提高自然死亡率。
As a sports person. The task in front of us is very arduous. That is how to overcome the disease and improve the natural death rate.
作为一个体育人，摆在我们面前的任务很艰巨，那就是如何战胜疾病，提高自然死亡率。
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