Drones are not toys, but tools to transform industries.
无人机不是玩具,而是改变行业的工具。
定义属于下定义的人,而不属于被定义的人。
诗歌优于生活的地方在于,如果它足够尖锐,可能会持久。
Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.