Btw, that's not the brightest idea - you should run for a couple years before attempting marathon training, or it'll be much, much more difficult for you.
(顺便说一下，那不是一个聪明的想法——你应该在练习数年后再尝试马拉松训练，否则的话，对你来说，那将是一件非常非常困难的事)。
Btw, that's not the brightest idea - you should run for a couple years before attempting marathon training, or it'll be much, much more difficult for you.
(顺便说一下，那不是一个聪明的想法——你应该在练习数年后再尝试马拉松训练，否则的话，对你来说，那将是一件非常非常困难的事)。
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