我们必须在警察权力和公民保护之间取得平衡。

We must strike a ___balance between police powers and the protection of citizens.

他担心再雇佣三名男性会打破部门的性别平衡。

He was concerned that taking on three more men could upset the gender ___balance in the department.

在我们的生活中找到恰当的平衡并不容易。

It is not easy to find the right ___balance in our lives.