农村老年人是一个疾病经济风险较大，而自身抗风险能力却很弱的群体。

High disease economical risk and weak anti-risk power are the traits of the rural elderly.

youdao

农村老年人是一个疾病经济风险较大，而自身抗风险能力却很弱的群体。

High disease economical risk and weak anti-risk power are the traits of the rural elderly.

youdao