The light is bit downier: Glaring floor, ceiling, wall can violate system of human body central nervous, make a person distracted, also make a person sensitive all the more to noise.

• 光线柔和点：炫目的地板、天花板、墙壁会干扰人体中枢神经系统，让人心烦意乱，也使人对噪声格外敏感。