有, if you can make it small and safe, and cheap.

所有跟帖： 

• 這種玩意兒就跟能飛的小轎車一樣，肯定有需求，但是政府不會批準大量使用 -mc3361- ♂ (0 bytes) () 08/02/2012 postreply 15:32:46

• Yes, it is small and safe. However, it's designed for different -coolwin- ♀ (0 bytes) () 08/02/2012 postreply 19:57:54