| 31. | But we also know this is not an exact science.
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| 32. | Choosing a hot cover is not an exact science.
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| 33. | Estimating the lotto jackpot is not an exact science,
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| 34. | However, such practices are far from an exact science.
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| 35. | "This is not an exact science, " said Wands.
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| 36. | Yes, working the refs is not an exact science.
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| 37. | But " it's not a real exact science.
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| 38. | The music business is not an exact science,
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| 39. | "Obviously, track and field isn't an exact science.
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| 40. | She has it down to an exact science.
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