这就是所谓的“月球的飞跃”。

This is the so-called saltus lunae.

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也就是说，十七世纪中，诞生了一次智慧的飞跃，用概率来表述成了件很时髦的事。

There was an intellectual leap that occurred in the seventeenth century and it became very fashionable to talk in terms of probabilities.

youdao

塔特萨尔博士认为，转变到人类的飞跃产生已经很突然，或许由于几个重要的基因变化。 这就是为什么这个转变在化石记录里很难找到。

Dr. Tattersall believes the leap to humans may have been brought about very suddenly, perhaps by a few critical genetic changes, which is why the transition is so hard to trace in the fossil record.

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