四级常见场景词汇
询问: flight, fly; direct flight, transfer; arrival, departure, destination; one-way ticket, return ticket, one-week return ticket; first class, business class, economy class, regular class; airline, airway, airport, air lounge, waiting room; book, reserve, reservation, be booked up, get ticket changed, switch; on time, delayed, postponed, put off, behind schedule, cancelled.
询问: flight, fly; direct flight, transfer; arrival, departure, destination; one-way ticket, return ticket, one-week return ticket; first class, business class, economy class, regular class; airline, airway, airport, air lounge, waiting room; book, reserve, reservation, be booked up, get ticket changed, switch; on time, delayed, postponed, put off, behind schedule, cancelled.