Surfing the Internet during class doesn't just steal focus from the educator; it also hurts students who're already struggling to grasp the material.

课上上网不仅会抢走老师的注意力，还会伤害到那些本来就对课堂内容理解困难的学生。

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To measure the effects of Internet-based distractions during class, researchers evaluated 500 students taking an introductory psychology class at Michigan State University.

为了衡量上课期间上网对学生注意力分散的影响，研究人员对密歇根州立大学修读心理学入门课程的500名学生进行了评估。

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You avoid the travel to and from class, and on the Internet it is easy to cancel or change your tutor whenever you want.

你可以免受来回上课的劳顿，在互联网上，随时撤换家庭教师是很容易的事。

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(Speaking) At an office computer and Internet skills class at Byte Back, a non-profit organization in Washington, Before enrolling in the class.

VOA: standard.2010.01.05

But Card told the Doug Wright Show, the way he understands it, the teacher had also been reading inappropriate material off the Internet to the class.

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Which is why Katherine Ye Zi, an English-language teacher, selected the class of Internet trailblazers from the different ethnic groups.

CNN: On-line in Yunnan

Not surprisingly, China leads the way, thanks to a growing Internet-connected middle class, more trust in online shopping, government campaigns to promote consumerism, improved infrastructure, and better product selection and services offered by online sellers and retailers, says eMarketer.

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