Time Travel Tutorial for Beginners

In 2026, an ordinary person who did not understand history and had no professional skills was "silent" and woke up in 241 BC - twenty years before Qin unified the six countries. He had no system, no superpowers, he couldn't even make fire, farm, or make salt, and he couldn't understand the dialect of the time. In order to survive, he can only learn from the smallest things.