尽管很明显，数据库中的空间浪费增加了，但请注意，按照这种策略操作，只需花非常小的代价就可以更新模型。
Notice how very little effort was required to update the model following this strategy, although the obvious problem of wasted space in the database has increased.
他们做了一个类似的安排，阵列中心放上绿色的花，看看蜜蜂是否习惯了空间形式而忽略颜色。
They built a similar setup with green flowers in the center to see if the bees used spatial patterns and ignored color.
我们花少量的钱，和少量的东西，这样我们的生活有更多的空间去居住和享受。
We spent less money and had less stuff and more space to live in and enjoy.
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