It is quite unnerving not to be able to see or to establish contact with the other person, even though we hxdye learnt to hxdye conversations with people we cannot see, as on the telephone.

• 译文借助于进一步的推理,这种推理如果加以引申,还可表现为其他两三种演绎推理,你便会做出最终决定："我不吃那个苹果了。"