疾病和灾荒？
其时中原灾荒严重，阶级矛盾极度尖锐。
Zhongyuan the time famine serious, extremely sharp class contradictions.
疾病和灾荒？
第一部分重点探讨了宋代的灾荒救助问题。
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.
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.
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