Flash不适合触屏设备，很多有弹出菜单和其他元素的Flash网站，在鼠标点触到某个点时，会有“按钮提示”，而苹果的触屏屏幕没有使用“按钮提示”功能。
Many Flash websites rely on 'rollovers, ' which pop up menus or other elements when the mouse arrow hovers over a specific spot." Apple's touch screens don't use rollovers.
例如，如果用户的最近一次操作是输入单词“设计”，菜单中的撤销功能提示撤销对单词“设计”的输入。
If, for example, a user's last operation was to type in the word design, the Undo function on the menu says Undo Typing design.
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