人们在经济低迷的时期所能享受到的物质快乐将会减少，所以人们更需要视觉上的满足感，而短发比长发更容易变换式样。
People enjoy fewer material pleasures in periods of recession, so want more visual pleasures, and there's more variation among short haircuts than long.
这是非常经济的，具有很高的视觉活动的比率值。
This is very economical, with a high ratio of visual activity to value.
进入视觉传播时代，注意力成为重要的经济资源。
Entering the visual communication ages, the attention becomes the important and economic resources.
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