Space activity has produced valuable inventions such as global positioning devices that have had lucrative commercial applications.

航天行为已经产生了像全球定位装置这种赚 钱的商业应用的有价值发明。

youdao

They have been widely used in commercial appearance and indoor activity space occasions and have become the latest substitute traditional roller shutter doors.

广泛用于商业门面及室内活动分隔场合，成为传统卷帘门的最新替代品。

youdao

Commercial satellite launching represents the peaceful use of space technologies and is a normal commercial activity based on mutual benefit.

商业卫星发射是空间技术的和平运用，是互惠互利的正常商务活动。

youdao

He said: "We have to rethink and redesign what our city centres are all about - and the city centre of Newport has taken a brave step in saying that maybe it's not just about retail, that it's not just about office space - it's about this kind of mixed activity, so dwelling spaces as well as commercial spaces".

BBC: Rise in shoppers in Newport despite store closures