If one animal in the herd suddenly bolts in a certain direction, then the rest will almost certainly stampede after it, although they may not have been exposed to the stimulus. 如果馬群中有一匹馬突然向某個(gè)方向逃走,那么其余的馬幾乎可以肯定會(huì )跟著(zhù)它逃跑,盡管它們可能還沒(méi)有暴露于危險中。