因此盐业史研究成为古代经济史中一个重要研究领域。

Therefore, study on the salt industry history is an important area of research in ancient economic history.

youdao

因此盐业史研究成为古代经济史中一个重要研究领域。

Therefore, study on the salt industry history is an important area of research in ancient economic history.

youdao