但那也正是发生在读者身上的事，当你把书给读者后：他会在头脑中模拟你的人物，试图通过自己的镜头解读人物的行动。
Butthat’s exactly what happens to a reader when you hand your book overtohim: he simulates your characters in his head, trying to interpretthatcharacter’s actions through his own lens.
通过适当的镜头搭配，你在这方面可以有相当大的灵活度，而这能对你作品的效果产生巨大影响。
With the right set of lenses, you can really have a lot of control over that aspect, and it makes a significant difference in the resulting images!
说它们是镜头，因为它们是凸面的容器。盛满水后，它们可作为镜头使用，你可以通过它们看到颠倒过来的地平线。
They're lenses because they're convex vessels, and when they're full of water they act as a lens and you see the horizon in them, upside down and backwards.
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