Our country has already stepped into the old ages oc iety, this the old-age tourist market has enormous potentiality.

我国已步入老年社会，老年旅游市场有着巨大的潜力。

youdao

Our country has already stepped into the old ages oc iety, this the old-age tourist market has enormous potentiality.

我国已步入老年社会，老年旅游市场有着巨大的潜力。

youdao