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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