Travelers Are Not Allowed to Cheat

A certain time traveler: "I have the Five Whites of the Central Plains in my hand, so I can copy them to my heart's content!" Song Haoran: "Sorry, it violated the Intellectual Property Protection Law!" A certain Long Aotian: "With the system in hand, I own the world!" Song Haoran: "Sorry, time travelers are not allowed to cheat!" Chongzhen: "Why did I travel across time and live on the streets?" Song Haoran: "Don't panic, I have brought you the warmth of the organization!" The story of Song Haoran, a new employee of the Traveler Management Center. Sorry, time travelers can't do whatever they want!