Ad blocker is a piece of software designed to prevent advertisements from appearing on a web page, i.e. software that blocks ads from web page.

Ad blocker指阻止网页上出现广告的一种软件，也就是拦截网页广告的软件，即“广告拦截器”。

 

Recent studies have shown increasing use of ad blockers by Internet users, prompting a flood of concern in the media about the viability of free digital content funded by advertising. 

近期的研究显示，越来越多的互联网用户在使用广告拦截器，由此引发媒体担忧，广告商提供资金支持的免费数字内容是否还能存活。

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n.存活(能力)

参考例句：

What is required to achieve or maintain such viability? 要达到或维持这种生存能力需要什么？

Scientists are experimenting to find ways to ensure the viability of seeds for even longer periods of time. 正如我们所说，科学家正在试验努力寻找让种子的生命力更加延长的方法。

    

n.广告业；广告活动 a.广告的；广告业务的

参考例句：

Can you give me any advice on getting into advertising? 你能指点我如何涉足广告业吗?

The advertising campaign is aimed primarily at young people. 这个广告宣传运动主要是针对年轻人的。