Have increased mental clarity, focus and concentration.

l提高思维敏捷度和注意力。

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The focus and concentration on one task at a time pays dividends in faster and better quality writing.

在某个时间，专心致志的去写文章，就会写的比较快，文字质量也会很高。

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Furthermore, breathwork helps to transform a scattered state of mind into a state of focus and concentration.

此外，呼吸法有助于将散漫的思想状态转换为专注和集中的状态。

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Might there be a special focus and concentration on swing states that are part of the 2012 map?

WHITEHOUSE: Press Briefing

"Insufficient sleep degrades performance, focus and concentration, " says Kathy Gromer, the campus director for the Minnesota Sleep Institute in Burnsville, Minn.

WSJ: When It's Worth It to Skip a Workout and Sleep

Each recording included in this list, and each composer, deserves at least the focus and concentration that goes with listening specifically to one album.

FORBES: How To Build A Top Quality Classical Music Library For $100