scheduled airline造句怎么写

Once there were regularly scheduled airlines, it became impractical to make a business trip by ocean liner.

A nonscheduled airline or cargo plane.

In the U.S., regional airlines have been involved in five of the seven fatal accidents on scheduled airline flights in the past 10 years, according to National Transportation Safety Board records.

By contrast, scheduled airlines fare much better - 11% of travellers are deterred from scheduled airlines by bad mannered passengers and 15% by noisy children.