People tend to be more impressed by evidence that seems to confirm some relationship. Thus many are convinced their dreams are prophetic (预言的) because a few have come true;they neglect or fail to notice the many that have not Consider also the belief that the phone always rings when I'm in the shower. If it does ring while you are in the shower, the event will stand out and be remembered. If it doesn't ring that nonevent probably won't even register (ei 下印象)People tend to be more impressed by evidence that seems to confirm some relationship. Thus many are convinced their dreams are prophetic （预言的）because a few have come true; they neglect or fail to notice the many that have not. Consider also the belief that “the phone always rings when I’m in the shower.” If it does ring while you are in the shower, the event will stand out and be remembered. If it doesn’t ring, that nonevent probably won’t even register（留 下印象）