Using Show preview before saving also lets you try format changes and other edits without cluttering up the page history, and has a number of other advantages.

在保存前使用显示预览可以让您在不弄乱页面历史的前提下，尝试更改格式等。

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You shall work in pairs or groups to show the preview results.

你们要分组展示预习成果。

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The preview offers a unique opportunity to see the show without the crowds.

预展提供了看展览但不挨挤的难得机会。

《牛津词典》

The scuttlebutt is that Sinofsky is going to show a preview of Windows 8.

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ABC's Buick Regal NBA Countdown pregame show will preview the action, with host Stuart Scott, Hall of Famer Magic Johnson and analysts Jon Barry and Michael Wilbon, at 8:30 p.m.

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Hovering over a thumbnail of a picture in the Gallery will reveal a bigger thumbnail, and hovering over one email in a list will show a preview of its first lines.

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