可以定义和显示额外的相册和项目数据。
Ability to define and display additional data for albums and items.
基本上，当你在图像上悬停是它会显示额外的信息。
Basically, it will show extra bit of information when you hover over the images.
我将使用这种方法将额外的文本显示给用户。
您可能会注意到，我们在Posted on行上显示了一些额外的信息。
You might have noticed that we present some extra information in the Posted on line.
甚至不需要进行额外的工作，Rails就能够显示这些数据。
Rails is even able to display this data with no special work on your part.
为了取得额外的效果，这位流行歌星对其表演增加了激光显示。
For extra effect, the pop star added a laser display to his act.
为了取得额外的效果，这位流行歌星对其表演增加了激光显示。
For extra effect, the pop star added a laser display to his act.
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