一回来我就着手写这篇文章，但我一直在努力加工，让我的思想成形。我一直在想的这样一个问题：什么设备是智能的，什么设备是傻瓜的。
I wrote about this a while back but I've been refining and sharpening my thinking on the question of which devices will be smart and which devices will be dumb.
你必须去创造它，用你的双手塑造一个从未加工的原材料，将一个不成形的泥团捏成规则的形状。
You must create it, taking from the world the raw materials you need and shaping it with your bare dirty blistered hands, pushing the clay into form from its shapeless muddy glob.
限制使用蓝宝石的因素主要是其价格以及这种材料难于加工和成形。
The use of sapphire is restricted by its cost and because the material is difficult to machine and form.
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