He did not make a mystery of his invention.

他没有把他的创造发明神秘化。

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That is a mystery, but it may have something to do with the way knowledge of how to make the tools was transmitted from group to group.

这是一个谜，但也许与制造工具的知识从一个部族传递到另一个部族的方式有关系。

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"It's a real mystery," Tiscareno said. "I think we make a strong case that it's not a ring of solid material around the moon.

“这真是个迷，”提斯凯尔诺说道。“我认为我们制造了一个奇案，卫星周围没有固体物质的环。”

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Why reporters other than Novak did not make more of the information is a mystery.

BBC: NEWS | Americas | Q&A: CIA leak row

The finding helped solve a long-standing mystery of how soil bacteria could make such antibiotics and other druglike chemicals, called polyketides.

FORBES: A Dirty Business

As for Freud, it was apparently his love of an intellectual mystery that he might be the one to solve that helped make him a doubter.

FORBES: Book Review