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墙上的圆珠笔痕迹可以用棉签蘸酒精轻轻擦去。如果墙上贴的是彩色墙纸,那么擦洗时应顺着其纹理朝一个方向擦。另外要注意别让酒精散得太宽,以免墙
Ballpoint pen marks on the wall can be gently wiped with a cotton swab dipped in alcohol. If the wall is a color wallpaper, then scrub along its texture in one direction to rub. Also be careful not to let alcohol get too wide, in order to avoid the wall