我们不能改变风的方向，但我们可以改变帆的方向！
We can't change the direction of wind, but we can change the orientation of sail!
它飞行起来很像大洋中的帆船，改变帆的倾角即可调整前进方向。
It fly picture the sailing boats of ocean very of standing up, change the inclinations of sail adjustable to advance the direction.
它飞行起来很像大洋中的帆船，改变帆的倾角即可调整前进方向。
It fly picture the sailing boats of ocean very of standing up, change the inclinations of sail adjustable to advance the direction.
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