According to Take Travel Forward, an airlines ' lobby group, the world's carriers pay $ 7 billion in GDS fees a year-more than double their expected net profits this year of $ 3 billion. 据航空公司的游说团体TakeTravelForward表示,全球的航空公司每年要付70亿美元给GDS,这是他们期待今年达到30亿美元纯利润的一倍多。