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

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。

youdao

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

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。

youdao