它们在用户访问网站时植入其电脑。

They are placed on a computer when a user visits a website.

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惠普扩大了个人电脑业务的利润率，但是零售商却开始大幅降价销售其电脑。

H-P has expanded its PC business's profit margins, but retailers have started selling its computers at sharp discounts.

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后来，该局建议担心其电脑健康的民众向提供其因特网服务的公司打电话求助。

Then it advised people worried about their computers' health to call the company that provides their internet service.

youdao

Because what you don't see in this file is any code a that actually says put a letter of the alphabet at the top left hand corner of the screen and then put the next character to the right in other words, I'm taking for granted at this moment in time that my computer knows how to print something to the screen.

就是这些你在本文件中看不到的一些代码,实现了将首字母,放在屏幕的左上角,然后把其他字母加在其右边，我想当然地认为,我的电脑知道如何打印相应信息到屏幕上。

哈佛公开课 - 计算机科学课程节选