The days of multi-layer air tickets appear numbered, as the China Air Transport Association (CATA) has stopped providing paper ticketsinstructed sellers to issue e-tickets.

• 中国航空运输协会目前已停止发放纸质机票，并发出通知国内机票代理商发售电子机票。看来用不了多久，纸质机票就将彻底消失。