Europe is in a panic mode.

欧洲在恐慌中。

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In panic mode, we fall back into our old habits.

在恐慌状态中，我们又回到了我们的老习惯。

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Earlier this year investors were in panic mode.

今年初，投资人都处于头疼的状态 。这里panic我觉得应该翻成：恐慌。

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Consumers enter full panic mode, increasing savings against the eventuality of a job loss.

FORBES: Anatomy of an Economic Meltdown

Banks are now in full panic mode, struggling to survive and avoiding making any loans.

FORBES: Anatomy of an Economic Meltdown

This would have allowed for an exit before the debt ceiling selling reached its full panic mode.

FORBES: The Power of Volume