近日，针对航班延误问题，由美国各大航空公司组成的空中交通协会提出了一项需要耗费美国政府共４８亿美元的计划。该计划意在敦促政府通过安装更先进的设备来改进空中交通系统的功能。 他们要求政府在未来５年内，而不是政府预计的１０年内，花费２１．５亿美元修建一个卫星导 Recently, in response to the flight delay issue, the Air Traffic Association, composed of major U.S. airlines, proposed a plan that will cost the U.S. government a total of 4.8 billion U.S. dollars. The plan aims to urge the government to improve the functioning of the air traffic system by installing more advanced equipment. They demanded that the government spend 2.15 billion U.S. dollars to build a satellite guide in the next five years instead of the government's 10-year plan