北京大兴国际机场是世界首个拥有两个抵达层和两个出发层的航站楼 — — F1-F4分别是国际到达、国内到达、国内出发、国际出发。
Beijing Daxing International Airport is the world's first terminal which has two arrival floors and two departure floors -- F1-F4, respectively, are international arrivals, domestic arrivals, domestic departures and international departures.