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- 問題詳情：Groupexerciseisoneofthemosteffectivewaystoimprovephysicalfitnessandsustain(保持)ahealthylifestyle.Groupexerciseischallenging,yetfunandempowering!Ofcourseeveryoneknowsthatexerciseisgoodforthebody.However,studieshaveshownthatwhenexerciseisperfo...
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