What 's the point of being efficient if you're not able to enjoy the time you're saving.
如果你不会享受你节约下来的时间，那你的效率还有什么意义呢？
LT training is the most efficient way to raise your lactate turn point.
乳酸阈训练，是提高乳酸阈的最有效途径。
LT training is the most efficient way to raise your lactate turn point.
乳酸阈训练，是提高乳酸阈的最有效途径。
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