推荐二级导航内容;比如，当在信息架构层面，所展示的分类是这个页面标题的子元素时

Use to suggest lower-level navigation; i.e., when the categories presented are children of the page title in the information hierarchy.

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这又两个目的，一是可以添加内容到你的网页上，二是验证你的推荐（如果他们是这个意思）。

This serves two purposes, it adds content to your site and it validates your recommendations (if they are good that is).

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现在，公共健康专家仍然鼓励人们每天吃推荐的二到六杯半果蔬汁。

For now, public health experts continue urge people to eat the recommended two to six and a half cups of fruits and vegetables a day.

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