向来枉费推移力,此日中流自在行。
以往花费许多力量也不能推动它,今天在水中间却能自在地移动。
The future of drones lies in deep cultivation in vertical fields.
Ever tried. Ever failed. No matter. Try again. Fail again. Fail better.
幸福的准则:有事做,有人爱,有所期待。
命运与性情是一个概念的两个名字。