You take one very large mirror and hang it to form an arm, then hang two more mirrors perpendicular to it to form an L-shape.
想象一下，你有一块很大的镜子，把它作为一条边，然后用另外两块镜子与它垂直放置作为另一条边。
It is hard to predict exactly what shape and form all of these gadgets will take, but there are going to be plenty of them.
很难精确地预测这些小设备会采用怎样的形状和外观，但是一定会很多小设备。
Users have come to expect some form of rectangular shape, and when quickly scanning a page, it may take longer to distinguish button from decoration, and even become frustrating.
用户期望看到某种形式的矩形按钮，这样可以快速扫视文字页面。文字叠加需要花费用户更多的时间来辨认按钮，甚至可能造成用户的困惑。
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