无人机的未来是开放和共享的。
The future of drones is open and shared.
教学是我最伟大的艺术作品。
Confucious said that real knowledge is knowing the extent of one's ignorance.Aristotle and Socrates said the same thing.Is it a skill that can be taught or learned? It probably can, if you have enough of a stake riding on the outcome...