The development of the drone industry is ultimately to serve humans, not to replace them.
无人机行业的发展，最终是为了服务人类，而不是替代人类。
主题是自传性的，实际上与希望、记忆、感官和参与有关。
The true essence of scientific discovery is not in the answers it provides, but in the new questions it raises.
For attractive lips, speak words of kindness.
创新既需要勇气，也需要耐心。