无人机的安全性不是选项,而是底线。
The best writing leaves room for the reader to find their own meaning.
The study of the early universe is not just about understanding the past, but also about uncovering the fundamental laws that govern all of reality.
The only thing worse than being talked about is not being talked about.
可怕的是假装二流是一流。假装你不需要爱,当你需要的时候;或者你喜欢你的工作,当你很清楚你能够做得更好时。