在很多时候，人类和其他动物都是通过运动视觉认识环境结构，从运动中发现敌害或寻找猎物。

Frequently, the mankind and other animals know the environmental structure through the moving vision, find the harmful animal or look for preys from the sport.

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要认识新字，我们必须把视觉刺激(字母或字符)与其相应的听觉刺激(声音或音素)联系起来。

To read words that are new to us, we have to learn to associate a visual stimulus (a letter, or grapheme) with its corresponding auditory stimulus (the sound, or phoneme).

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好的网页设计师就像一个屏幕空间的股票经纪人，他们在开始动手前就应该对信息层次有一个清晰的认识，能够以合适的视觉手段传递正确的信息，把每一个像素点都卖个好价钱。

They should have a very clear idea of the hierarchy of information well before starting and be able to distribute the right amount of visual attention to the right messages.

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