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Xi Dan said that he was really helpless. "I was just sunbathing on the beach for a while, and then I ended up in this horrible place. The most important thing is that the housekeeper used hidden instructions to trick me." Is it wrong to sunbathe? Why did you abduct me? Well, now that we are here, we have to do something. What did you say? After humans left their home planet, Earth, many things were lost? ? ? With all major civilizations (immortal cultivation, technology, martial arts...) Emerging, calligraphy has almost been lost? Are ancient mathematical problem-solving methods lost? Is there no content in the Bible anymore? Is ancient music just a legend? This... Wait, what is that. . Professional? What the hell? Can mathematicians create arrays with just one thought? Are the painters all Ma Liang? Let me go, what the musician likes most is large-scale enemies... Even the things grown by the farmer uncle can cure diseases. Oh my god, this is so embarrassing. I came here with thousands of years of knowledge on the earth. I can know everything you know... At this moment, Xi Dan stood up, raised his right hand and shouted: We must oppose pretentiousness.