最富有的国家的平均寿命在2000年将达到79岁,而在一些最贫穷的国家,它会倒退到42岁。
In the richest countries life expectancy in the year 2000 will reach 79 years. In some of the poorest it will go backwards to 42 years.
最富有的国家的平均寿命在2000年将达到79岁,而在一些最贫穷的国家,它会倒退到42岁。
In the richest countries life expectancy in the year 2000 will reach 79 years. In some of the poorest it will go backwards to 42 years.
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