求翻译：进入21世纪，世界航空产业一直处于颓势。据国际航协预测，2009年全球航空运公司将亏损110亿美元。从2000年至2009年，全球的航空公司亏损额达到491亿美元，平均每年亏损50亿美元。在这10年中，航空公司受到了前所未有的重压：航空自由化使得航空公司之间的竞争愈演愈烈；是什么意思？

The 21st century, the world's aviation industry has been in decline. According to IATA forecasts global air transport company to a loss of $ 11 billion in 2009 From 2000 to 2009, the global airline losses reached $ 49.1 billion, an average annual loss of $ 5 billion. In the past 10 years, the airlin

In the 21st century, the world's aviation industry has been in decline. According to the international air traffic association 2009 forecast, global air freight company will be $11 billion loss. From 2000 to 2009, the global airline losses reached $49.1 billion each year, on average $5 billion defic

Enters for the 21st century, the world aviation industry is in the declining tendency continuously.According to the international navigation cooperates the forecast, in 2009 the global navigation aerial transport company will lose money 11,000,000,000 US dollars.From 2000 to 2009, the global airline

Entering the 21st century, the world aviation industry has been in decline. According to the international air transport Association forecasts, in 2009 global air transport company lost $ 11 billion. From 2000 to 2009, the global airline losses reached US $ 49.1 billion, losses of US $ 5 billion a y

正在翻译，请等待...