She is also considerably more of an enigma: One in four Americans were unfamiliar with or had no opinion of her.

而且她也更像是一个谜：有四分之一的美国人不熟悉她，或是对她没有印象。

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Nevertheless, voles are an "evolutionary enigma" with many bizarre traits, DeWoody said.

但是野鼠是包含许多奇怪特性的“进化中的谜”，代物第说道。

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Nevertheless, voles are an "evolutionary enigma" with many bizarre traits, DeWoody said.

但是野鼠是包含许多奇怪特性的“进化中的谜”，代物第说道。

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