Change the visualmedium eg: from slides to flipchart and back again.
通过视觉的变动例如：从一侧走到图板旁然后再回到原位。
2
Line drawings are in fact the most difficult visualmedium, because they demand near perfection.
线描事实上是所有视觉艺术中最困难的，因为它们要求的接近完美。
3
Most people consider "design" a visualmedium, so Diana Chang's project to address the needs of the blind set her wandering into nearly untouched territory.