标注扩展提供了一个额外的文本片段，突出显示您网站的产品或优惠。这个扩展不可点击，可以在您的广告描述之外显示。提供关于您网站的更多细节可以使您的广告更符合潜在客户的需求。
标注文本不得重复广告中已有的内容。我们的完整标注扩展政策列表可以在这里找到。
每个广告系列和广告组可以关联 20 个标注扩展，而且至少要有两个标注与广告系列或广告组关联，才能显示标注。请注意，您的广告不一定总会显示标注。如果显示，格式可能会有所不同。添加标注扩展到您的广告是免费的。
可在以下地区设置： 所有Bing市场
服务于：除中国外的所有Bing市场。
可以在帐户、广告系列或广告组级别创建或编辑标注扩展。要选择要进行更改的级别，请在Ad Extensions选项卡下方选择Account、Campaign或Ad group。
比较标注、筛选链接和结构化片段扩展
| 呼出 | 筛选链接 | 结构化片段 | |
|---|---|---|---|
| 何时使用 | 展示你的产品或服务的独特之处。 | 在你的广告中创建多个链接，指向特定的产品或服务。 | 提供更多关于你的产品或服务的特定方面的背景信息。 |
| 示例 | "免费送货 • 全天候支持" | "价格：低于20美元 • 20-30美元 • 30-50美元 • 50-100美元 • 100-150美元 • 150美元以上" | "品牌：Windows, Xbox, Skype" |
| 字符限制 | 每个提示最多25个字符 | 每个值最多25个字符 | 每个值最多25个字符 |
| 最小数量 | 2 个标注 | 3 个值 | 3 个值 |
| 最大数量 | 4 个提示 | 10 个值 | 根据值的长度和屏幕大小而定 |
开始使用突出显示扩展
请访问关于广告扩展页面，以获取以下操作的说明：
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添加、编辑和删除广告扩展
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将广告扩展关联到广告系列和广告组
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