Beyond this obvious case, when should memory leaks become a concern?

除了这种明显的情况之外，何时还应该关注内存漏洞呢？

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How to ensure network and information security has become a concern of the whole society.

如何确保网络和信息的安全已经成为全社会关注的问题。

youdao

Kate has started to become a concern because of her excess of perfectionism and ill temper.

由于过度的完美主义和坏脾气，凯特开始受人关注。

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But it says that has allowed some long-standing disputes among national and regional leaders to re-emerge and become a concern for the long term.

VOA: standard.2009.03.31

Many have become internally displaced. She says the situation of children in internment camps in Sri Lanka is a matter of real concern.

VOA: standard.2009.09.16

Energy has become a major concern in several Western countries, after a dispute between Ukraine and Russia over prices led to major natural gas shortages in Europe earlier this year.

VOA: standard.2009.10.23

The stock market could tag on another 20 percent before valuations become a concern.

FORBES: Uncle Ben Wants You to Own Stocks

The Police Federation say delayed ambulances have become a concern in the East of England.

BBC: News

With the increasing use of technology and smartphones behind the wheel, driver distraction has become a concern.

ENGADGET: Garmin multi-sensor controller concept replaces touchscreen interface with in-console dial rig