balance of preparation and winning work

例句：

1. 1. The teacher askedthe students to balance their books on theirdesks.
   老师要求学生们把书本放在桌子上保持平衡。
2. 2. The dancer balanced herweight on one leg while performing a difficultroutine.
   舞者在表演一个难度较高的动作时，一只脚站立保持平衡。
3. 3.The company's financial balance is criticalfor its long-term success.
   公司的财务状况对于其长期成功至关重要。