It is an easy way for sites to tell people when there is new content available.

它可以让网站更方便地告知访客什么时候有更新。

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The procedure to customize the glossary is similar to that of defining a new glossary, in the event that no content was available for import during the previous step.

定制术语表的过程与定义新术语表相似，但是没有前面那样的可以导入的内容。

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RSS aggregators (a.k.a. RSS readers) take advantage of these timestamps to decide when new content is available.

RSS聚合器（就是RSS阅读器）利用这两种时间戳来鉴定什么时候有新的内容。

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As new 3D content is available, consumers can enjoy the 3D experience in the home, on their 3D-ready HDTVs.

ENGADGET: PopBox licenses RealD's side by side frame compatible 3D format

Additionally, the App will unlock new content each week with all content available by the November 9th release of The Amazing Spider-Man on Blu-ray.

ENGADGET: Spider-Man Blu-ray comes with a Second Screen app for iPad and Sony's Android tablets

App owners will receive push notifications whenever new content is uploaded and available for their viewing.

ENGADGET: Marvel's The Avengers Blu-ray hits September 25th, iOS second screen app this month (video)