也不一定。開始有效但很快身體就會重新平衡，總之能輕鬆跑3-5Mile的人不會太差的：））

來源: coach1960 於 2017-06-20 09:46:02 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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