他们中的大多数并非科学家、医生或哲学家，而仅仅是爱问“怎么了”或“为什么”的普通人。
Most of them have not been scientists or doctors or philosophers, but simply ordinary people asking 'what if?' or 'why?'
他们中的大多数并非科学家、医生或哲学家，而仅仅是爱问“怎么了”或“为什么”的普通人。
Most of them have not been scientists or doctors or philosophers, but simply ordinary people asking 'what if?' or 'why?'
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