The increased metabolic cost of possessing higher body mass contributes to the increased overnight mass loss.

更大的体重意味着代谢成本增加，导致了夜间体重损失增加。

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This metabolic cost may arise from the muscular and neural activity involved in singing or from behaviors associated with singing.

这种代谢消耗可能是由于唱歌或与唱歌相关的行为中涉及的肌肉和神经活动所产生的。

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But what about the metabolic cost of maintaining a high body temperature?

不过若想保持一个较高的体温，不知代谢值会怎样？

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