"Bilinguals can pay focused attention without being distracted and also improve in the ability to switch from one task to another," says Sorace.

索瑞斯说：“双语者可以集中注意力而不分心，不同任务间进行切换的能力也有所提高。”

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If you've got an important goal or task coming up and you're feeling unsure about your ability to do it, visualize it first!

如果你有一个很重要的目标或是一个任务，而且你不是很确定自己是否有能力来做，那么先把它想象出来。

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There is also evidence that poorly set goals may harm our ability to learn and our intrinsic motivation for a task.

也有证据标明，确立了不正确的的目标会影响我们的学习能力以及对任务的自我驱动力。

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The irony here is that one of the biggest criticisms for years was Windows Mobile's lack of a task manager and the ability to kill applications that were running.

ENGADGET: Entelligence: Mobile multitasking is mostly a myth

Taxes on wages and salaries are inadequate to the task of limiting inequality because they punish those who owe high incomes to greater ability and effort, rather than to inheritances.

ECONOMIST: Free exchange: Zero-sum debate | The

Concentration is improved when people's senses are aroused, says Dr Linnell, but if this becomes excessive it seems to have the opposite effect and reduces the ability to focus on a single task.

BBC: City living 'makes it harder to concentrate'