Datang: Do I Want to Show Off That I Am the Emperor?

Introduction: During the Zhenguan period, Chen Wei traveled to the Tang Dynasty with the car he drove, met Princess Changle by chance, and got the sign-in system. White salt? Isn't that worthless stuff? Is it true that an acre can produce several kilograms of grain? What is this cement? Li Shimin suddenly felt that he was a country bumpkin and not an emperor at all. Why did I never hear what Chen Wei said? Is it because I am ignorant and uneducated? Probably not! Li Er fell into deep suspicion after meeting Chen Wei. The introduction is weak: please read the text. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.