| 1. | After decades in the public eye, she is hardly an unknown quantity.
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| 2. | When Pataki chose Ms . McCaughey Ross, she was an unknown quantity.
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| 3. | "China remains an unknown quantity as a potential producer, " he said.
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| 4. | Nonetheless, a cautious Paterno said his Nittany Lions still are an unknown quantity.
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| 5. | Although Croatia is a first-time qualifier it no longer is an unknown quantity.
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| 6. | George W . Bush is still something of an unknown quantity.
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| 7. | Davis, however, is still an unknown quantity in the regular season.
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| 8. | The latest change makes the Italians an unknown quantity for Victory.
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| 9. | But there is an unknown quantity to almost every other starter.
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| 10. | The attackers also stole 11 assault rifles and an unknown quantity of ammunition.
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