The sites shield themselves from search engines, so they do not pop up in response to online searches for the brands they offer.

这些网站避开了搜索引擎，所以若在线搜索他们所卖的品牌时，他们的网站是不会出现的。

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The thing about online surfing is that you never know when unhealthy websites will pop up.

网上冲浪的问题是你根本不知道何时会冒出不健康的网站。

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There are several programs available online that once installed will block all forms of pop-up ads.

有几个节目上网，一旦安装封死一切形式的弹出式广告。

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If you don't enable comments, be prepared for the conversation to pop up elsewhere online.

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From an international perspective, Berlin, Tokyo, London and Reykjavik all seemed to pop up on several online lists.

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They are closing our online pop-up boxes, changing channels on our TV ads, skimming our print ads.

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