They wanted there to be some kind of balance of power among the several major households of Rome, the families of Rome.

要在几个重要的罗马家户间,罗马家庭间，保持权利的平衡。

耶鲁公开课 - 新约课程节选

As a working mother, how do you keep a balance between your family and your work?

作为一个有工作的母亲，你是如何在工作和家庭中保持平衡的呢？

妈妈亲手做的味道 - SpeakingMax英语口语达人