Regular airlines may offer specialrates if you book your flights in advance and fly on certain days of the week when they don't expect to have full planes.
如果你提前订好机票，并且在一周中预计不会满员的特定日子乘机出行，通常情况下，航空公司都会提供特价。
2
The prices in brackets are specialrates for the under 18s.
括号中的价格是年龄在18岁以下的消费者可以享受的特别优惠价。
3
Overtime and work on Sundays, holidays and at night will be charged at specialrates.