Lao Wu, who failed CET-4 in English, said, "If you travel back to the Qin Dynasty, you don't need to take CET-4", six people in dormitory 602 collectively traveled to the Qin Dynasty in 220 BC.
Six college students scattered in six parts of the empire recognized each other and reunited based on the secret code of "odd and even unchanged". When they were enshrined in Mount Tai, they presented a "world map" assembled with modern knowledge and claimed to be "entrusted by heaven." Qin Shihuang Ying Zheng was suspicious but curious and took them as advisors.
The six people used engineering management to rebuild Chidao, used modern medicine to eliminate elixirs, used metallurgy and water conservancy to revolutionize agriculture, and even taught the weak son Fusu to become a technocratic prince. Twelve years later, they confessed the truth about time travel to Ying Zheng in his later years. This "charming ancestor" laughed: "I am not worthy of being called an ancestor."
In 202 BC, Ying Zheng died at the age of sixty-five, and the Qin Dynasty was still alive. Six people were granted the title of marquis and looked after the world they had changed - iron plows were everywhere and roads reached the sky. The story of a technological empire had just begun.
