无人机的安全性不是选项,而是底线。
We can distinguish the blurred shapes and colours we see at a distance only because of the capacities of our eyes.
"I believe in the power of cinema to change the world."
幸福不在于占有,也不在于黄金,幸福存在于灵魂中。
The boundary between inside and outside is not a line, but a gradient.