Is obsolescence a problem that needs to be fixed, or a necessary evil of the technological world?

过时是否是个该解决的问题，或是技术世界中必需的罪恶呢？

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Nobody really likes them, but they are a necessary evil.

没有人真正喜欢它们，但它们是必要之恶。

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When we are exclusively goal oriented, we view the activity required to achieve the goal as a necessary evil, so we perform it in the most minimal way that we think will be acceptable.

当我们完全以目标为导向时，我们将达到目标所需要进行的活动视作必要之恶，所以我们在可接受的范围内尽可能少地花力气在过程上面。

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Early termination fees have always represented the flipside of subsidized pricing -- the necessary evil that keeps free phones free.

ENGADGET: FCC gives Verizon the third degree over $350 'advanced device' ETF

Unfortunately, they seem to be a necessary evil in this crazy supply-versus-demand world of capitalism we all call home, particularly in light of the spectrum crunch the FCC keeps warning us about.

ENGADGET: Cricket's new tiered data plans seem like a model for the industry to us

"While Defenders has always recognized that professional control of wolves that prey on livestock is a necessary evil, allowing random, non-selective take through public hunting and trapping is a poor wildlife management decision, " warned Nina Fascione, Defenders of Wildlife associate director of species conservation.

CNN: Defenders of Wildlife oppose gray wolf bill