从来没用过跑步机，不喜欢跑步。如果必须跑，我就在大自然中跑，其实就走或快走不挺好吗？

来源: lawattaction 于 2017-04-22 07:23:04 [旧帖] [给我悄悄话] 本文已被阅读：次

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