一级理论和二级理论的区别

The young prince of Jiuding said, flicking his sleeves, and without saying a word about King Taiyuan, he stood up and walked out. The resolution of the matter in Prince Taiyuan's Mansion is like removing a big stone from my body. As long as I am careful and don't conflict with that lunatic Princess Longwu, I can complete my father's mission with peace of mind....