According to the research, the average reading time per copy is 68 minutes.

调查显示，读者每期阅读本刊平均时间为68分钟。

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By contrast, a full-page colour AD in Entertainment Weekly costs about 9 cents a page per copy.

相对的，娱乐周刊中一整个版面的广告，每页成本只有9每份。

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To keep Linux off most netbooks, Microsoft has had to discount Windows XP from $40-45 per copy to $10-15.

为了与Linux争夺上网本的市场，微软不得不将视窗XP的价格从每份40-45美元下调至10-15美元。

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About 50 cents of that goes to mailing and distribution costs, 80 cents to payroll, and another 80 cents to printing and overhead, leaving roughly 40 cents per copy.

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EA's response is that it will now allow five screen names per copy of the game, though it has yet to release details of when the change will take effect.

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Still, this offers a conservative rule of thumb to use in evaluating expected residual revenues from an album: ten cents per year per album copy sold.

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