随时随地订机票、无陪购票、添加儿童婴儿

The WiFi priority service on the plane, can I buy it to share with my friends?

What's the difference between business class and first class? Why are they often lumped together when booking tickets?

Can I transfer my plane ticket to my husband so that he can take my 7-year-old child on the plane?

Can I still add a child ticket 7 days after buying an adult ticket?