After playing for a few days, I went back to see that Ba Tou was still studying the sheepskin map, so I asked: "Ba Tou, you've written so much on your paper, what have you figured out",Not only did Yelü Renzhi invent this widely used Xia script, but he also invented an additional type of Xia script for the nobility, with different character meanings and connotations. This could be considered a "pro" version of the Xia script.,"Alright, oh, by the way, there's one more thing," I said, turning back as I reached the door, "about our stuff...."。