The regulation say people cannot fly drones over congested areas or near your buildings without permission.

规定表示，未经官方许可，禁止在人群密集，或是在接近建筑物的区域使用无人机。

But reductions in traffic will make living in currently congested areas more attractive and hence more populous.

但交通减少会使在目前拥挤的地区生活变得更具吸引力，人也会更多。

The fire began in one of Delhi's many factories sweeping through a 6-story building in a congested residential area.

火灾发生在德里众多工厂中的一家，大火席卷了拥挤居民区的一栋6层大楼。

It was, police say, a powerful blast in a congested area close to a Shiite mosque. Several buildings caught fire and some collapsed.

警方称这次强爆炸发生在什叶派清真寺附近一居民密集区，几座大楼着了火，还有的倒塌掉。

If the own vessel is expected to navigate such areas, he must take the following actions: (1) early stay away from the congested area, if possible.

如果本船预计在这些区域航行，则必须采取以下行动： (1) 如果可能，尽早远离拥挤区域。

When you factor in the lost productivity, wasted fuel, and the higher shipping costs of getting goods through congested areas, the backups cost over $300 billion which is an average of nearly $1500 per driver per year.

当你考虑到生产力损失、燃料浪费以及通过拥挤区域运送货物的更高运输成本时，备份成本超过 3000 亿美元，平均每位司机每年近 1500 美元。