对话剪辑中保持 180 度轴线，给双方预留看向对方的视线空间。切换前后让眼睛高度、头部方向和镜头高度连续，观众就能把两个画面理解为同一场对话。 In dialogue coverage, keep the 180-degree axis and leave looking room toward the other speaker. Match eye height, head direction, and camera height across the cut so the shots read as one conversation.