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There is the danger that the high-speed connectivity of the Internet will reduce our attention span—that we will be incapable of reading anything of length or which requires deep concentration.

风险在于，互联网的高速连接会减少我们的注意力持续时间，从而导致我们不能阅读长篇论著，或是需要高度集中注意力的书籍。

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All the drivers must reduce speed when driving near the zebra crossing.

所有司机在驶近斑马线时必须减速。

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Do speed cameras reduce the number of accidents?

BBC: Speed Cameras

Undermining drivers' confidence in their ability to spot cameras, the study concluded, would reduce speed-related accidents.

ECONOMIST: Speed cameras

Facebook, by contrast, has obsessively fine-tuned its back-end operations to eliminate latency, speed searches and reduce power.

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