Picking a short phase that you play over and over in your head while running can help you stay focused and centered.

选择一个可以在你跑步时不停在你头脑中重复的短语，它能帮助你集中注意力。

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For better or worse, in reality we are not centered in our head.

实际上，是好是坏，我们脑子里也没有主张。

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Find a mantra. Picking a short phase, such as "One step at a time," that you play over and over in your head while running can help you stay focused and centered.

找一条咒语：选一条短句作为咒语，比如“一步一个脚印”，跑步的时候不断默念这句咒语有助于集中注意力。

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So far, publicity around the litigation has centered on players who incurred countless blows to the head and have been diagnosed with dementia and memory loss.

WSJ: Concussion Dangers: The NFL's Courtroom Playbook��What About the Kickers?