The most costly health facility is the one that fails.

费用最高昂的卫生机构是那些无法运转的机构。

The spill remains the most costly maritime accident in the world.

这是世界上代价最昂贵的海事事故。

Research by the investment bank UBS last month suggested London had fallen from the second most expensive city in the world to the 22nd most costly.

投资银行瑞银集团（UBS）上月的研究显示，在世界上最昂贵城市排行榜上，伦敦已从第二名下跌至第22名。