In the United States, the Federal Aviation Administration keeps numbers on unruly passengers who interfere with the duties of a crew member, but reporting is left to the discretion of the crew.
CNN: Air rage: Passengers 'quicker to snap'
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。