因为稀有，它们成为珍稀动物收藏家眼中最有价值的物种；富有的巴基斯坦商人也许会为得到一只活的雪豹而付给猎人五万美元。

Their rarity makes them highly prized by collectors of exoticanimals; a wealthy Pakistani businessman has supposedly offered hunters$50,000 for a living specimen.

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对他们来说，这就是他们的收藏中最有价值的部分”。

To them it's the most valuable piece in their collection.

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收藏有票的人都知道，即使最有价值的邮票如果收藏不当也会变得一文不值。

As anyone who collects stamps knows, even the most valuable stamps can become quite worthless if they aren't handled properly.

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