His apparent health will fuel speculation about the impact that he might have on a once-in-a-decade leadership transition taking place over the next year.

他目前的健康状况会令人猜测，在明年的十年一度的领导人交接问题上，他将会产生怎样的影响。

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They typically appear about once in a decade.

它们通常大概每十年出现一次。

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The publishing industry, where after a decade of neglect, the most successful publishers once again work in close partnership with authors.

出版行业，经过十多年对作者的忽略之后，最成功的出版商再次与作者以紧密地伙伴关系相互合作。

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Whittington writes: A once-in-a-decade confluence of favorable factors will produce above-trend revenue and margins for Intel in 2010 and 2011.

FORBES: Intelligent Investing

But the federal government has to make sure that if there's this once-in-a-lifetime catastrophe or a once-in-a-decade catastrophe that we're helping each other.

NPR: Rudy Giuliani Counts on the Sunshine State

He said it was a "critical time for fisheries management" but stressed that he was committed to take the "once-in-a-decade opportunity" to overcome the "structural failings" of the CFP.

BBC: Common Fisheries Policy has 'failed' - MP