很久以前，人们相信女巫聚集在一起，鬼魂在万圣节前漫游世界。
Long ago, people believed that witches gathered together and ghosts roamed the world on Halloween.
萨根更关心那些相信鬼魂、神创论和其他与科学世界观相悖的现象的人。
Sagan is more concerned with those who believe in ghosts, creationism and other phenomena that contradict the scientific worldview.
那么在世界上其他地方的鬼魂，他们也有自己吼叫的版本吗？
And what about ghosts in other parts of the world-do they have their own version of boo?
应用推荐