Xu Linyuan traveled to the Song Dynasty and became a postmaster who was on the verge of bankruptcy. I wanted to lie down, but I found that there were three descendants of Dai Zong, the magical eunuch, imprisoned in the standing cage at my feet. He made a revolutionary decision on the spot: to open an express delivery service. Use modern KPIs to assess the errand boys who travel eight hundred miles a day, and let the prime minister's urgent documents deliver takeaways to restaurants first. This completely destroyed the imperial court's logistics system, and the boss of the old inn teamed up with the Cao Gang to kill him. Facing the official inspection, Xu Linyuan smiled slightly, took out the "Logistics Business System" that came with time travel, and set the Royal Six Hundred Mile Express to "Nine Yuan and Free Shipping" with one click. When an imperial edict was delivered to the Jinluan Palace by a courier, all the civil and military officials in the court knelt down. See how college students carried out dimensionality reduction attacks on capitalism in ancient times and killed them!