Before graduating from university in 2023, Lin Xing had experienced this kind of time travel three times. Judging from these limited three experiences, he believed that the length of time he traveled back to the past should be related to the size of the danger.,He has never queued out of turn, never thrown litter, and never visited an illegal website.,Lin Xing frowned: "Why am I the only one Did I go to the wrong classroom"。