作为一个读者，快速的浏览页面上的每一个字，所以我们很少看到一个树，准确并完整地，观察它的树叶，质感，颜色，形状。

Just as a reader skims quickly over the individual words on page, so we scarcely see a tree exactly and completely with regard to its leaves, branches, color, shape.

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凯史先生：我们观察过纳米涂层盒子，但是我们不明白生命循环，所以我们决定不涂层它，它具有所有的化学物质，碱怎样去影响它？

We looked at nano-coating the boxes but we do not understand the cycle of life so we decided not to. These are all chemical products and would the caustic affect it?

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