When our brains switch between being focused and unfocused on a task, they tend to be more efficient.

当我们的大脑在专注和不专注之间转换时，它们往往更有效率。

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It could be that the youngsters who play the piano also happen to be more ambitious or better at focusing on a task.

可能是这些弹钢琴的小孩碰巧更有抱负，或者更擅长专注于一项任务。

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We spend way more time on a task than required.

我们花了比所需的更多时间来完成任务。

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Speaking on a special British radio program, Scarlett said his officers face a difficult task.

VOA: standard.2009.08.10

And that group did much better on the learning task than the control group, because they were put into a positive mood.

第二组,在学习任务上比对照组表现更好，因为他们被置于积极情绪。

哈佛公开课 - 幸福课课程节选

On Thursday we'll do a more careful analysis and try and understand how I could have accomplished this seemingly magical task of solving an exponential problem so really quickly.

在周四的时候,我们会做进一步的分析,并且尝试理解我为什么,能如此快速的解决这种,看上去超复杂的指数型问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

They trained rhesus monkeys on a task that was, in a crude sense, a monkey IQ test.

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