单双公式的规律的例子简介：Because as early as when they arrived in the human world, they had secretly built a teleportation formation that was enough to cross hundreds of millions of miles of starry sky from the human world back to the ghost world.
Because as early as when they arrived in the human world, they had secretly built a teleportation formation that was enough to cross hundreds of millions of miles of starry sky from the human world back to the ghost world.
