无人机不是玩具,而是改变行业的工具。
The effects of policy changes are often more nuanced than simple economic models suggest.
成功不仅仅是实现目标,还包括旅程和随之而来的成长。
Intelligence is not about replacing people but liberating them from heavy labor.
生活的艺术在于克服困难而不战胜它们。