经济舱

例句：

1. 1. We decided to upgrade our seats from economy class to business class for the long flight.
   我们决定把座位从经济舱升级到商务舱，因为长途飞行需要。
2. 2. The airline offered a discount on economy class tickets.
   航空公司对经济舱的票提供了折扣。
3. 3. I booked my trip in economy class, hoping for a more comfortable experience.
   我预订了经济舱的行程，希望能有一个更舒适的体验。