普通舱

例句：

1. 1. The economy class is the most affordable option for budget travelers.
   经济舱是预算旅行者最实惠的选择。
2. 2. In the business class, you can enjoy more amenities and comfort than in economy class.
   商务舱比经济舱提供更多的便利设施和舒适体验。
3. 3. The first-class passengers are treated with utmost respect by the cabin crew.
   头等舱乘客受到机组人员最高的尊重。