在中国古代，灾荒及其社会危害一直是一个严重的社会问题。

In ancient China, famine and its social harm had always been a serious social problem.

youdao

在中国古代，灾荒及其社会危害一直是一个严重的社会问题。

In ancient China, famine and its social harm had always been a serious social problem.

youdao