Service metadata comprises both machine readable metadata and other relevant information such as service description and SLAs.
服务元数据由两部分组成：机器可读元数据和其他相关信息，如服务描述和SLA。
In most cases, the bird will simply turn yellow to tell you that no privacy policy is in place, but that is changing as sites begin to provide this information in machine-readable form.
绝大多数情况下，这个小鸟图标只是变为黄色，告诉您不存在任何隐私策略，但在站点开始以机器可读的形式提供此类信息时，情况会有所变化。
Information made machine readable with the right markup could be passively captured and reused in different contexts to add new value. That's a pretty smart idea.
带有恰当标记的信息可以被机器读取，然后可以被抓取和再利用，从而带来新的价值，真是不错的想法。
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