He was driving without regard to speed limits.

他开着车，根本不理会速度限制。

《牛津词典》

When you've got speed limits, this creates situations that actually present dangers on the road.

当你达到速度限制时会遇到道路上的危险情况。

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The Navajo Nation has its own elders, laws,tribal government, and police force that is vigilant at enforcing speed limits.

VOA: standard.2010.03.22

It's best suited for college campuses, military bases and corporate parks with low speed limits.

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Potential can reduced by technology, for instance, speed limits or seat belts in cars.

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The department is reviewing safety standards for the wheelchairs, including speed limits, technical requirements and training.

BBC: Motorised wheelchair