As for aspects, they pose a unique challenge.

而就方面来说，它们带来了独特的挑战。

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The AIDS pandemic represents a unique challenge of unprecedented urgency and intensity.

艾滋病的流行是人类面临史无前例的紧急而严峻的考验。

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It's another race to concentrate on and it has a unique challenge because of the track itself.

要关注的是这是一场比赛，而这场比赛非常具有挑战性是因为这条赛道。

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To be certain, the sport of soccer does have a unique challenge when it comes to analytics.

FORBES: Soccer Analytics at the MIT Sloan Sports Analytics Conference

Maintaining a dialogue between these Muslim women and the predominantly male guards creates a unique challenge for both sides.

BBC: Inside Be'er Sheva prison

Despite this wealth of experience, it is clear resurrecting cash-strapped Full Tilt will prove to be a unique challenge for the firm.

FORBES: Full Tilt Poker Acquisition Contingent On "Favorable Resolution" Of DOJ Charges