填空题 .Imagine a world in which there was suddenly no emotion—a world in which human beings could feel no love happiness, no terror or hate. Try to imagine the consequences of such a transformation. People might not be able to stay alive: knowing neither joy nor pleasure, neither anxiety nor fear, they would be as likely to repeat acts that hurt them as acts that were beneficial. They could not leam. They could not benefit from experience because this emotionless world would lack rewards and punishments. Society would soon disappear: people would be as likely to harm one another as to provide help and support. Human relationships would not exist: in a world without friends or enemies, there could be no marriage, affection among companions, or bonds among members or groups. Society' economic underpinnings would be destroyed: since there would be no incentives of any kind. For as we will see, incentives imply a capacity to enjoy them.
   

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