先是有了滚轮鼠、然后橡皮球-可允许更平滑地移动，不过容易粘上污垢-现在有了给桌面拍照的微型照相机（译者：指光电鼠标）。
There were trackwheels, then rubber balls - which allowed smoother movement, but got gummed up with dirt - and now mini-cameras that film the table top.
总体而言，Nook的界面颇为平滑，不过如果桌面图标太多，显得有些拥挤。
Overall, the interface is slick but can become a little crowded with so many shortcuts.
这个版本主要专注于为新的或已有的HTML项目添加丰富的运动设计，而且是可以出色地运行在桌面和移动设备上的（它可以创建出适应各种尺寸的屏幕的平滑补间和过渡）；
This version of Edge focuses primarily on adding rich motion design to new or existing HTML projects, that runs beautifully on devices and desktops.
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