垂直摇镜可以建立人物与环境的尺度关系，例如从脚步摇到脸部，或从桌面摇到高处的建筑。让起点和终点分别有明确信息，中间不要为了填满时长而拖慢。 A tilt can establish scale, such as moving from feet to face or from a tabletop to a tall building. Give both the start and end frames clear information; do not slow the middle merely to fill time.