But smart systems might be vulnerable to malfunctioning or attacks by hackers.

智能系统，反而在故障面前极度脆弱，而且很容易受黑客攻击。

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Fortunately, such a scenario is likely to remain science fiction. But smart systems might be vulnerable to malfunctioning or attacks by hackers.

幸运的是，这一幕或许仍然只是科幻小说中的情节，不过智能系统的确很容易瘫痪或是被黑客侵袭。

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How about an animal that instead of fighting its enemy or running away, it attacks a plant or a bush?

如果一只动物不是攻击它的敌人或逃跑，而是攻击一株植物或灌木呢？

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President Obama says the attacks show that extremists have no respect for African lives or efforts for a better future.

VOA: special.2010.07.17

He believes that a virgin like the Lady is secure or safe from the violent attacks imagined by his younger brother.

他认为像那位女士那样的处女，在他弟弟想象的,暴力袭击中是很安全的。

耶鲁公开课 - 弥尔顿课程节选

The report says that in two thousand eight, two hundred sixty humanitarian aid workers were killed,kidnapped or seriously injured in violent attacks.

VOA: special.2010.08.16

"What we will not allow is conducting personal attacks against individuals, or attacks against any groups or minorities, " he added.

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In 2002, China and Russia proposed a treaty banning the deployment of weapons in space or attacks against space-based objects.

ECONOMIST: China admits shooting down a satellite

If you have long panic attacks, or attacks that come in prolonged volleys, these medications work quickly enough that they can interrupt things in mid-attack.

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