Pang Pu first probed into the relation of the three words witchcraft, nonexistence and dance, which come from the same witchcraft culture, with one as subject, one as object, and another as means.

• 通过考察我们发现，原来庞朴先生早就谈到巫、无、舞三字来源于同一项巫风文化活动，其中“巫”作为主体、“无”作为对象、“舞”作为手段。