business class

例句：

1. 1. We decided to upgrade our flight to business class for the long journey ahead.
   我们决定升级我们的航班，以便长途旅行。
2. 2. The business class seats are more comfortable than economy class.
   商务舱的座位比经济舱更舒适。
3. 3. Business class passengers have priority boarding and access to lounge facilities.
   商务舱乘客优先登机并可以使用休息室设施。