C794 The Meaning of Transportation

Xiao Yun smiled and patted the seat.

Then he said, "Tell me, what's the use of this thing? Let me see if your brain works."

Tuoba Tian'er could only say, "The foundation of a region's economic development is the flow of goods. In the past, the circulation of goods could only rely on horse carriages or people carrying them on their backs. But now that there are so many of them