不过，最新的航空交通统计数字显示，航空业的前景依然乐观。
But I am most encouraged to see that our future is still on the bright side as reflected by the latest air traffic statistics.
以下是美国交通统计局发布的2009年第四季度美国十大航空公司辅助收入统计。
Here is the U.S. Bureau of Transportation Statistics' tally among the top 10 U.S. carriers in collecting ancillary-fee revenue in the fourth quarter of 2009.
该网站要求我给他们，我认为，约25元，并给我看了很多网站分为按交通统计利基。
The site required that I give them, I think, about $25, and showed me many sites divided according to niches with traffic statistics.
西南航空以1.572亿美元的辅助服务收入居于美国航空公司辅助收入排名中的第四位，数据来源于在5月3日由美国交通统计局（U.S. Bureau of TransportationStatistics）发布的数据年鉴。
At $157.2 million, Southwest came in fourth among U.S. airline ancillary-fee collectors, according to a tally released May 3 by the U.S. Bureau of Transportation Statistics.
西南航空以1.572亿美元的辅助服务收入居于美国航空公司辅助收入排名中的第四位，数据来源于在5月3日由美国交通统计局（U.S. Bureau of TransportationStatistics）发布的数据年鉴。
At $157.2 million, Southwest came in fourth among U.S. airline ancillary-fee collectors, according to a tally released May 3 by the U.S. Bureau of Transportation Statistics.
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