根据他们的计算，这将使以每小时100公里行驶的汽车的刹车距离增加5。7米。

That, they calculate, would add 5.7 metres to the braking distance of a car travelling at 100kph.

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当我们每小时睡眠不足6小时，就会有增加我们健康问题的风险。

When we sleep below six hours per we're at an increased risk of health problems.

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在过去一年里，工作时间和产出的下降致使每小时产出增加了1.8%。

Over the past year, falling hours and output has led to an increase of 1.8 per cent in output per hour.

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