一年用两千亿美元极小成本去维持虚弱和苟延残喘状态的老龄化，最多能使他们的寿命增加1-2年。

There the small cost of 200 billion dollars a year to keep the elderly going in a frail and decrepit state that for most increases their lifespan for a year or two.

youdao

一年用两千亿美元极小成本去维持虚弱和苟延残喘状态的老龄化，最多能使他们的寿命增加1-2年。

There the small cost of 200 billion dollars a year to keep the elderly going in a frail and decrepit state that for most increases their lifespan for a year or two.

youdao