1.IATA says African airports are among the costliest in the world, and offer shoddy service.
国际航空运输协会说，在世界的航线上，非洲的机场提供的服务价格最高，质量却最为糟糕。
2.It is one of the world's costliest structures.
它是全球最昂贵的建筑之一。
3.The costliest cities for public transport.
公交费用最昂贵的城市。
4.Surgery and anaesthesia: These are among the most complex procedures for health systems to deliver and can be among the costliest.
外科手术和麻醉属于卫生系统要提供的最复杂，可能也是最贵的一些程序。
5.500 million was spent on the investigation, making it the costliest aircraft accident investigation in history.
调查花去了5000万美元，使它成为了调查史上最昂贵的飞船事故。
6.The devastation wrought by Hurricane Katrina, the costliest insurance event ever, illustrates why reform is overdue.
飓风卡特里娜带来的毁坏，是至今为止涉及到最大金额的保险事宜。