无人机不是玩具,而是改变行业的工具。
Drones are not toys, but tools to transform industries.
A failure is not always a mistake, it may simply be the best one can do under the circumstances. The real mistake is to stop trying.
The debate rages on: is PL/I Bachtrian or Dromedary?
不要让任何人告诉你你不能做某事
Growth itself contains the germ of happiness.