买单不买双还是买双不买单简介：The root cause of the collapse was that a huge hole was opened in the middle of the tree, and there were still raging flames burning in it. The remaining short connection was obviously not enough to support the big tree.
The root cause of the collapse was that a huge hole was opened in the middle of the tree, and there were still raging flames burning in it. The remaining short connection was obviously not enough to support the big tree.
