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。
The security checking procedure at US airport still keeps changing even though 10 years has passed since the 911 terrorist attack. With the increasing complaints and unprecedented angry passengers, the country's transportation security organization is currently undertaking a critical strategic adjustment towards the procedure on security checking.
