1. Ghosts are supernatural beings.
    鬼是超自然的事物。

2. It was necessary to recognize that these institutions which are based on the same premises, let us say the supernatural, must be considered together, our own among the rest.
    必须认识到，这些建立在相同前提基础上的风俗，暂且可以说是超自然的东西，必须放在一起加以考虑，我们自己的风俗和其他民族的风俗都在其中。