And because of high rates of attrition (casualties and retirement, but mainly protracted absence without leave), just maintaining those numbers requires constant effort.

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Johnson's absence would leave Brooklyn without one of its most reliable scorers against the defensive-minded Bulls.

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Despite fears about the fate of the company without Steve Jobs, who took a medical leave of absence to concentrate on his health in January, Apple products continue to dominate the markets.

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This is a paid leave of absence that allows Xerox employees the opportunity to make a difference without sacrificing their livelihoods.

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