使用超链接颜色，下划线或者排序图标来让用户认识到该表头是提供排序功能的。

Use a link color, underline, or sort ICONS to communicate that column headers are sortable.

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为此，许多系统使用目录清单中的颜色，通常浅蓝色表示好链接，红色表示坏链接。

For this reason, many systems use colors in directory listings, often pale blue for a good link and red for a broken one.

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使用更大的按钮在首选行为上，而小型文本链接则用在那些次要的行为上。或者使用不同的颜色或语言来标明不同的选项。

This can be as simple as using larger buttons for the preferred response and a small text link for the less desirable one, or using different colors or language for different options.

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