"For example, when a person is running, he will not pay attention to the surrounding environment. It is inertia as the line under his feet moves forward." Speaking of Liu Xi, he drew the line of a jump and marked his shoulder. "If we say that when there are more than a few people around us, a jump parallel line will be formed to move forward, and there will be a horizontal breakpoint."

Liu Xi drew several arrows. "Assuming that this is a maze, the increase in width will reflect other angles."

"To be frank is visual deception!"

"Oh, that's what it means!" Liu Xi laughed at Xiao Yifeng.

"What...