Jing Yunzhao kept talking and Cui Jun's face turned pale.
They were only seventeen or eighteen years old and were still in school, so they had a good understanding of the medicinal herbs business at home. They only heard about it from the adults occasionally, unlike Jing Yunzhao, who was full of different technical terms.
There were so many auxiliary ingredients here. If he were to explain each of them in detail, he might not be able to understand them thoroughly in a few hours. There were also the seventeen methods of processing. Some of the methods looked very similar, but there were also huge differences. They were all the basics of making medicine.
