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The costs must not exceed the benefits of a security control.

付出的成本绝对不能超过安全控制所带来的优势。

youdao

In these types of situations, you may be able to improve security without increasing costs by using virtualization.

在此类情况下，你也许可通过虚拟化无需增加任何成本就能改善安全。

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"If we refuse to take into account the full costs of our fossil fuel addiction - if we don't factor in the environmental costs and the national security costs and the true economic costs - we will have missed our best chance to seize a clean energy future."

VOA: standard.2010.06.14

Air cargo costs have risen nearly 7 cents to an average of 60 cents per pound because of higher security costs.

FORBES: The Detour Economy

And that sum doesn't even cover all of Ellison's security costs: The billionaire also spent his own money installing top-of-the-line security systems in his Malibu and Woodside, Calif.

FORBES: Magazine Article

They can improve user security and lower the costs of getting information, and they encourage firms to innovate by allowing them to keep more of the profits from innovation.

FORBES: Apple's iCloud and the Dilemma of the Walled Garden