在电脑世界里有8种免费的杀毒工具。

PC World has selected eight great security tools that'll do the job for free.

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个人电脑世界描述道Google新的目标是组织全人类的无知。

PC World describes a new Google effort to organize all of human ignorance.

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并且，滑稽演员也能指出，现在的电脑世界联系紧密，很难由一家公司独掌霸权。

And, geeks point out, the computing world has now become so interconnected that it will be hard for a single company to control it.

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And for Problem Set 0, too, those of you might think Scratch kind of imploding since I was 6, well then we'll hand you some of these little logic boards which are a variety of real world sensors you can connect to your Mac or PC and push yourself a little further with interactions, with the real world.

对于习题集0也是如此,有些人可能认为从我6岁开始就不怎么用Scaratch了,那么我给你一些小的逻辑板,它们就是各种各样的真实世界的感应器,你可以用它们来连接到你的手机或电脑上去,和现实世界做进一步的互动。

哈佛公开课 - 计算机科学课程节选