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

所有跟帖： 

• 这种玩意儿就跟能飞的小轿车一样，肯定有需求，但是政府不会批准大量使用 -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