China and india will not affect long - haul demand until at least 2030 , according to a study published yesterday 据昨天发表的一份研究称，至少在2030年前，中印两国将不会影响长途航空旅行需求。
So while some luxury products and services , such as air travel and cars , are susceptible to price competition , others are not 因此，尽管一些奢侈品和服务容易受到价格战的影响，比如航空旅行和汽车，但其它商品和服务则不同。
Freight traffic over the same five months was up 12 . 2 percent , according to figures released by the geneva - based grouping , the international air transport association 周一称，在今年1 - 5月间，国际航空旅行人数将比去年同期增长19 . 4 % 。
Airbus forecast that if air travel continued to grow by about 5 % a year ( see chart ) , there would be a need for 1 , 235 such aircraft by 2020 空客预测如果航空旅行继续按每年5 %的速度增长的话（见上图） ，到2020年，就会需要， 235架这样的飞机。
The study found that the full impact of economic growth only started to affect demand for long - haul air travel when gdp per head reached $ 15 , 000 研究发现，只有在人均gdp达到1 . 5万美元时，经济增长产生的全面影响才开始影响长途航空旅行需求。
For example , a web service could provide a set of high - level travel features by orchestrating lower - level web services for car rental , air travel , and hotels 例如， web服务可以通过吸纳低级的汽车租借、航空旅行和酒店等web服务来提供一套高级的旅行服务。
Given the speed and volume of international air travel today , the virus could spread more rapidly , possibly reaching all continents in less than 3 months 鉴于当今国际航空旅行的速度和运载量，这一病毒的传播将更加迅速，可能在不到3个月的时间内传播至所有大陆。
Developed countries will continue to dominate growth in long - haul air travel over the next quarter of a century , despite the rapid expansion of the chinese and indian economies 尽管中国和印度经济增长迅速，但未来25年里，发达国家将继续在长途航空旅行增长中占主导地位。
Airline travel has a significant effect on the spread of influenza , a new study reports , raising the question of whether flight restrictions may be helpful in controlling a pandemic 一项新的研究报告指出,航空旅行对传染病的传播有重大影响,提出限制飞机次数可能有助于控制瘟疫
Airline travel has a significant effect on the spread of influenza , a new study reports , raising the question of whether flight restrictions may be helpful in controlling a pandemic 一项新的研究表明航空旅行对流感的传播起了很大的作用，这提出了限制航空飞行是否有助于控制传染病。
