求翻译：我国人口发展有三个主要趋势：总人口达 16 亿；有 8 ― 10 亿劳动力；有 2.5 亿老人。这构成我国人口发展的新特点。中国人口问题区别于世界上其他国家，在一个国家内同时存在 " 人口太多和人口太少 " 的双重挑战。是什么意思？

There are three major trends in the development of China's population: a total population of 1.6 billion; 8 - 10 million workers; 250 million elderly people. This constitutes the new characteristics of China's population development. China's population problem is different from the rest of the world

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Our country population development has three main tendencies: The total population reaches 16 hundred million; Some 8 - 10 hundred million labor forces; Some 2.5 hundred million old people.This constitutes our country population development new characteristic.The Chinese population question distingu

There are three major trends in population development in China: the total population amounted to 1.6 billion; 8-1 billion labor; there are 250 million old people. This constitutes new characteristics of the development of our country's population. China's population problem is distinguished from ot

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