缺乏事先规划，仅此一点就可能造成大量时间和精力的浪费。

A great deal of time and energy can be wasted through simple lack of planning.

youdao

他的工作似乎缺乏精力。

His work seemed to lack energy.

youdao

并且同时，咱们也缺乏足够的精力来念书。

Bnd at the same time, we are lack of energy to study.

youdao

并且同时，咱们也缺乏足够的精力来念书。

Bnd at the same time, we are lack of energy to study.

youdao