The winds at lower altitudes, i. e. below 500 m, aretherefore influenced by the roughness of the terrain.

风在低海拔，即低于500米，因此影响粗糙度的地形。

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Why? " Thee e other friend replied: "When someone hurts us we should write it down in sand where winds of forgiveness can erase it away.

醕他回答道：“当有人伤害了我们，我们应该把它写进沙里，宽恕的风会把仇恨抹去。

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