随着老龄化时代的到来，老年人生活方式成为重要而紧迫的研究主题。

With the aging, the research on way of life of the old is important and necessary.

youdao

随着老龄化时代的到来，老年人生活方式成为重要而紧迫的研究主题。

With the aging, the research on way of life of the old is important and necessary.

youdao