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马拉松最大的挑战不是在于完成它,而是在于未受伤地而且精神饱满地回到起跑线上。这一部分主要讲的几个概念要融入到你的跑步训练中去,这样会极大地减
The biggest challenge for a marathon is not to finish it, but to be back to the starting line unharmed and energetic. This part of the main concept of several concepts to be integrated into your running training to go, it will greatly reduce