The commercial mission is the first without professional astronauts.

这次商业航天旅行是第一次没有专业宇航员参加的任务。

A capsule carrying three businessmen and a former NASA astronaut, who took part in a landmark commercial space mission, has splashed down off the coast of Florida.

一艘载有三名商人和一名前美国宇航局宇航员的太空舱在佛罗里达海岸降落，他们参加了一项具有里程碑意义的商业太空任务。

A series of commercial missions to Earth's closest neighbour are set to launch this year as part of a wave of projects by various companies and countries.

作为各公司和国家一波项目的一部分，一系列飞往地球最近邻居（月球）的商业任务将于今年启动。