对许多跑步者而言，备战马拉松每周35英里比每周70英里更好，因为前者能够更有效地进行更高强度的训练。

For many runners, a 35-mile week can be far better preparation for the marathon than a 70-mile week, because the former can more effectively foster the completion of higher-quality training.

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但是，跑坡道对跑步者有许多好处，因此千万别躲着它。

But running hills provides a lot of benefits to runners, so don't shy away from them.

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