What they do know, though, is that technology aimed at improving safety does not always have the intended effect.

然而，他们可以肯定的是提高安全性能的技术并非全部都能收到预期的效果。

youdao

Vehicles can now pass freely below the tracks, improving safety and reducing vehicle emissions, traffic congestion, and crashes.

车辆可在路轨下面自由通行，改善安全状况，减少车辆废气排放，交通拥堵和撞车事故。

youdao

The main emphasis is on adding value, improving safety, minimising waste and providing policy and technical advice and assistance.

最重要的是增加其价值，提高安全性、减少浪费并提供政策和技术咨询与援助。

youdao

Its focus is on improving safety and does not enforce law or carry out prosecutions.

BBC: Cracks in East Coast Main Line investigated

The officers are unarmed and are responsible for improving safety by enforcing park rules and protecting park assets.

WSJ: City Park Patrols Will Be Bolstered

Ideas for improving safety will also be talked about as will questions over getting home, licensed premises and the pedestrianisation of the street.

BBC: Gloucester clubbers asked about personal safety