自然地，您的长距离耐力训练也可以跑这样快，但是，在这个阶段，最好能以更具挑战性的配速进行。

Naturally, your long endurance workouts can be done only so fast, but the idea is to do them at a very challenging pace for the duration.

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虽然LSD式训练法提高脂肪代谢和耐力，但也会限制你的耐力在马拉松的配速。

Although LSD training will increase fat metabolism and endurance, it will limit your endurance at marathon paces.

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