Panksepp说多巴胺系统在找到那些不可预料的东西或者是事先知道的新颖的东西的时候会被激活。
Panksepp says the dopamine system is activated by finding something unexpected or by the anticipation of something new.
即使是最优秀的科学家也没预料到核物理的冲击力如此巨大，而回溯到上世纪五十年代，像iPhone这样的日常消费品一定会被看作不可思议的东西。
Not even the best scientists predicted the impact of nuclear physics, and everyday consumer items such as the iPhone would have seemed magic back in the 1950s.
生活总是跌宕起伏，会有很多不可预料的事情发生，但我们有时会从中学到一些东西。
Life is unpredictable with its twists and its turns, and sometimes each of us learns.
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