返程；车辆重力反行装置；回扣的英文

kickback

• 返程:    back tracking
• 车辆:    vehicle; car; roll ...
• 重力:    gravity; force of ...
• 反:    reverse side
• 行装:    outfit for a journ ...
• 置:    place; put; lay
• 回扣:    discount; commissi ...