整一句话

911恐怖袭击事件已过去整整10年了，美国机场的安检流程仍然频繁变化，人们的抱怨之声甚嚣尘上，有些乘客的愤怒已经到了前所未有的程度，如今美国运输安全管理局正着手进行一项重大的战略调整。
Though ten years has passed since the terrorists’ attack of 9.11, there are still constant changes to the airport security system, soaring complaints from the public, unprecedented rage from some customers, and an important strategic shift currently undertaken by the FAA.