传统书籍只能使用图片和插图，而电子书可以为读者提供无限的链接：文本、图片和视频。

Where traditional books had to make do with photographs and illustrations, an e-book can provide readers with an unlimited number of links: to texts, pictures, and videos.

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尽量多使用图片。

Use pictures as many as possible.

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为什么要使用图片警示？

Why use picture warnings?

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If you have a Text-to-Speech Reader, and it comes across a website that has graphics Most likely it`s not gonna be or would like to read the graphics.

当你使用文字阅读器，遇到网页中的图片时,很可能阅读器,没办法读出图片来。

麻省理工公开课 - 媒体、教育、市场课程节选

People even get coached on how to do it, so when drive-in windows were introduced recently in Malaysia, these little graphics went out to show people how you actually used a drive-in window.

人们甚至接受培训,学习如何做这些,当免下车餐厅最近在马来西亚出现时,这些图片表明了,人们是怎样使用免下车餐厅的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

This is a picture of patch clamp, it's a device that engineers built to fasten onto individual cells in order to look at how molecules in the membrane of the cell are working, and I'll talk a little bit about that as we go along.

这是膜片钳的图片,工程师使用该装置固定单个细胞,由此观察,细胞膜中的分子怎样活动,在以后的课中我还会谈到这方面内容

耶鲁公开课 - 生物医学工程探索课程节选