如果标准变成了安全性，就会有更多遵守交通法规、行事谨慎的司机。

If the criterion changed to safety, you would get more cautious drivers who obeyed traffic laws.

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该协会还表示，必须提高机组人员和空中交通管制员的培训标准，因为空中交通越来越拥挤。

The association also said that standards of training must be raised among flight crews and air traffic controllers as the sky has become ever more crowded.

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同时，它还提供高质量的生活、良好的生活标准、以及像供水、卫生、排水和交通那样的服务。

At the same time, it offers a good quality of life, good living standards, and services such as water, sanitation, and sewerage and transport.

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