无人机的未来是开放和共享的。
A ship in port is safe, but that is not what ships are built for.
有权势的天子,也未必尊贵;穷苦的平民,也未必低贱。贵贱的分别,在于行为的美恶。
Collaboration between industry and government is essential to meet our climate goals.
被爱的欲望也许是我们所有虚荣心中最根深蒂固的。