“视线”其实是由大脑决定的,并非你的眼睛。我们常用“伸手不见五指”来形容那些黑得不透光的地方。通常,在极端黑暗的环境中,人们只能依靠触摸周围的环境或借助手电来辨别方向。但有些人却拥有异于常人的视觉体验——在黑咕隆咚的环境里,虽然看不清近在跟前 “Sight ” is actually determined by the brain, not your eyes. We often use “bare fingers ” to describe those dark opaque place. Often, in extreme darkness, one can only rely on touching the surrounding environment or using a flashlight to discern directions. But some people have a different kind of visual experience - in a dark, dark environment,