It is natural that parents should wonder about the time children spend looking at a TV or computer screen.

父母很自然地会想知道孩子花在看电视或电脑屏幕上的时间。

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It completely elevates the idea of a computer background into art, and every week features another awesome illustrator or designer.

它完全把电脑背景的概念提升到了艺术层面，并且每周都有另一位出色的插画家或设计师登场。

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People could use it to quickly remove a list of contacts from a phone or computer.

VOA: special.2011.06.27

If you did it in the lab or on your computer screen, you would do it by pushing buttons.

如果你在实验室做，或者在电脑上做，你需要按键。

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So the fact that I'm erasing it does not mean that the computer erased that memory or over wrote those values with all zeros.

事实上，我清除它的意思,不是说计算机把内存清除,或者用0覆盖这些值。

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"For months, I only saw it on computer or video screens, " says Tan, who has just returned from Melbourne.

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Sell it or call a computer recycling company.

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Call it a phone, call it a tablet, or just call it a computer.

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