ageing是什么意思？

Into the Unknown The world has never seen population ageing before

Population ageing is on every agenda, from G8 economic conferences to NATO summits

To tackle the problem of ageing populations at its root, "old" countries would have to rejuvenate (使.轻) themselves by having more of their own children.

And if fertility in ageing countries does not pick up

Richard Jackson and Neil Howe of America's CSIS, in a thoughtful book called The Graying of the Great Powers, argue that, among other things, the ageing of the developed countries will have a number of serious security implications.

Ronald Lee, director of the Centre on the Economics and Demography of Ageing at the University of California, Berkeley, puts it briefly and clearly: "We don't really know what population ageing will be like, because nobody has done it yet

further accelerate the ageing process

help tide over the current ageing crisis

Ronald Lee, director of the Centre on the Economics and Demography of Ageing at the University of California, Berkeley, puts it briefly and clearly: "We don't really know what population ageing will be like, because nobody has done it yet.