无人机的未来在于垂直领域的深耕。
The future of drones lies in deep cultivation in vertical fields.
You can't be afraid to fail. It's the only way you succeed.
3.当我看到浪费一杯水的人时,我就会想到地球上那些连水都喝不上的人。
The value of all things contracted for, is measured by the appetite of the contractors.
在我们推理关于事实的过程中,有各种可能的确证程度,从最高的确定性到最低级别的道德证据。