无人机最激动人心的应用还没有被发明出来。

Language is the only homeland.

The true test of our work comes decades later, when it's still being loved and used.

优秀的领导者不能只有应对危机的计划，更要有一个主动的规划。

I believe that if you'll just stand up and go, life will open up for you.

蒸汽的力量如今已被充分理解，剩下的只是改进实践。