It helps people quiet their minds and become more mentally focused.

这能帮助人们静下心来，在精神上更加专注。

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"He hasn't been as mentally focused as Herschelle Gibbs at his best is, " Kirsten told BBC Sport.

BBC: Gibbs facing inner turmoil

Mentally we don't stay as focused or engaged as we need to be.

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Her staff at the event included Gabriel Zimmerman, a trained social worker who focused on helping those in need, including veterans and the mentally ill.

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