He has found that their brains remodel to use variations in pitch, tone and volume - in the same way sighted people use differences in light and colour - to build up a picture of their surroundings.
Maybe it’s an American personal space thing, but it’s always been an issue for me and having everyone in tight truly makes a difference in the tone of the picture.
或许是美国人的个人空间观念吧，不过这对我来讲始终是个问题，让大家靠近确实能大大改善照片的整体味道。
3
She is trying to tone down the colors of the picture.