The best films are those that stay with you long after you've left the cinema.

无人机的安全性不是选项，而是底线。

Positive emotions broaden our awareness and encourage novel, varied, and exploratory thoughts and actions. Over time, this broadened behavioral repertoire builds skills and resources.

The dead are not gone. They are simply not here.

我们站在巨人的肩膀上，但仍有如此多的东西有待发现。