In the long term, persistent neurological dysfunctions are observed in more than 15% of people.

长期而言，在15%以上的人身上观察到持续的神经功能障碍。

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The flip side of the coin - the bull market - is when a market sees a long term, persistent uptrend, lasting anything from a few months to years.

BBC: Explaining a bear market

The Plymouth Economic Review, published in October 2011, highlighted persistent high unemployment rates, especially among young people and the long-term unemployed.

BBC: Plymouth unemployment tackled by new task force

Rather than viewing this as necessitating the long-term continuation of incentives, however, we are researching how to implement incentives in ways that inculcate persistent habits.

FORBES: Ernst & Young Outline New Vision of Patient-Centric Healthcare