现在，一般标签的背景图像已经完成了，我们要为“当前”标签更换图像。
Now that we have the background images in place for normal tabs, we need to change the images used for the "current" TAB.
操作是使用需要运算法则来确定正确版本的一般标签来标记，或使用显式的策略修正信息来标记。
The options are to tag using a generic tag that requires an algorithm to determine the correct revision, or to tag items with explicit policy-revision information.
一般来说，单独的标签项使用的频率更高，原因是它们可对应于表单上的其他项出现在表单的任何位置；它们并不局限于项目的左上部。
In general, the separate label items are used more often because they can appear anywhere in relation to other items on the form; they are not limited to the top-left portion of the item.
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