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简介：With a vague sharp sound breaking through the air, almost at the same time, a cold light shot out from the hand of Lao Yan, a middle-aged man who was as thin as an ordinary farmer, and turned into a small willow leaf dart that pierced the black. On the wrist of the young man in casual clothes, he let out a suppressed cry of pain and his hand trembled, and the pistol fell to the ground.