a company or business that provides air transportation services for people and goods
航空公司, 航运公司
someone traveling in a vehicle, aircraft, ship, etc. who is not the pilot, driver, or a crew member
乘客, 旅客
a department responsible for the security of the institution's property and workers
安全, 安全部门
a ticket or card that passengers must show to be allowed on a ship or plane
登机牌, 登机通行证
a part of an airport or terminal that passengers go through to get on or off a plane, train, or bus
登机口, 口
an area where passengers wait in an airport until it is time for them to board a plane
登机室, 候机室
to sell more tickets or accept more reservations than the available number of seats, rooms, etc.
超额预订, 过量预订
someone who buys tickets, arranges tours, books hotels, etc. for travelers as their job
旅行社, 旅行代理人