We humans are hard-wired to get together in groups and attack outsiders - the human pack mentality, if you will.
我们人类天生的会聚集在一起组成组，对付外来者- - - - -即人类团体性思维，如果你想知道的话。
2
Comparison of the ring pack mule interesting is that the box can be found strange, because the ring-open near the box, it opened people to avoid surprise attack was the strange box.