据《北京日报》报道，教师还应尽量避免使用过于明亮的投影仪或其他多媒体设备。
Teachers should also try not to use projectors or other multimedia equipments that are too bright, Beijing Daily reported.
室内不要使用过于明亮的灯光。
许多人发现直射的阳光过于明亮而使人不舒服，特别是在阳光下阅读白色报纸的时候。
Many people find direct sunlight to be too bright for comfort, especially when reading from white paper upon which the sun is directly shining.
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