人口也正在迅速老龄化，这个问题在以后30年内将越来越突出。

Its population is rapidly aging, which looms as a major problem over the next 30 years.

youdao

人口也正在迅速老龄化，这个问题在以后30年内将越来越突出。

Its population is rapidly aging, which looms as a major problem over the next 30 years.

youdao