However, when two monkeys were placed in separate but adjoining chambers, so that each could observe what the other was getting in return for its rock, their behaviour became markedly different.
但是,当两个猴子被安置在隔开但相邻的两个房间里,能够互相
对方用石头换回来什么东西时,猴子的行为就会变的明显不同。