A lack of sleep can result in issues such as decreased productivity, creativity and focus, but a continuous lack of sleep can lead to more serious health issues.

而睡眠质量的下降，不仅会导致生产能力、创造力和注意力的下降，而且持续的睡眠缺乏还可能导致严重的健康问题。

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In Africa, the lack of roads also hampers agricultural productivity, making it expensive and difficult for farmers to get synthetic fertilizers.

在非洲，公路的缺少也阻碍了农业生产率的提高，农民们要花很多钱，并且很难买到人工肥料。

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Conservationists are concerned the drop in productivity, as a result of a lack of sandeels, will mean fewer breeding birds and continued decline of key species.

海鳗数量的减少会导致海鸟生育能力下降，也就是说，繁殖鸟以及一些重要的鸟类数量会继续减少。 对此，自然保护主义者表示密切的关注。

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Global finance is struggling to keep up with population growth and the lack of productivity across nations is resulting in slowing economic growth.

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If RIMM is liquidated it will be an issue of an inferior product or a lack of productivity vis a vis a competitor.

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And the biggest mergers--its purchases of Warner-Lambert and Pharmacia--are a likely cause for the lack of productivity, because they hurt morale and made the laboratories more disorganized.

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