这些动物说聚集的能力简直不可思议，甚至连研究它们的生物学家也如此认为。它们中没有任何的单一体能够做出惊人的决定，但是它们每个单一体都对群体的成功奉献自己的力量。

The collective abilities of such animals-none of which grasps the big picture, but each of which contributes to the group's success-seem miraculous even to the biologists who know them best.

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