当训练激烈，你肌肉提供糖原储存大部分的精力收缩。

When training is intense, glycogen stored within your muscles provides most of the energy for contractions.

youdao

把大部分的精力用于如何尽可能多的保留一点石油是远远不够的。

This mostly focuses on saving a little bit of energy, which byitself is simply not enough.

youdao

所以你只要将你的大部分的精力集中在某些最重要的任务上。

So you need to focus most of your energy on those few important tasks to be effective.

youdao