求翻译：而中层管理者是高层领导与基层员工之间沟通的桥梁，既是决策者又是执行者，对企业的发展起着承上启下的关键作用。是什么意思？

The senior leadership and middle managers are the bridge between junior staff, both policy makers and is the implementation of the development of enterprises play a key role linking.

正在翻译，请等待...

But the intermediate deck superintendent is a bridge which between the high-level leader and the basic unit staff communicates, since the policy-maker also is a performer, to enterprise's development the key function which links the preceding with the following.

Middle management is the bridge of communication between senior leaders and grass-roots workers, both policy makers and performers, plays the crucial role of connecting link between the enterprise development.

The senior leadership and middle managers are the bridge between junior staff, both policy makers and is the implementation of the development of enterprises play a key role linking.