The camera can adjust for a light subject on a dark background, or vice versa. 这个相机可以调节黑暗背景下的明亮物体,亦可调节明亮背景下的黑暗物体。The flowers provide a contrast with the dark background.这些花朵与深色的背景形成反差。The areas of water stood out against the dark background.在黑暗背景下映衬出片片水域。Use a light colour which will show up on a dark background.使用浅颜色,这样在深色背景上会比较显眼。