求翻译：对于有着这样重要经济作用和社会作用的苏北航务管理处而言，怎样有效地激励和管理员工无疑对它的可持续发展有着至关重要的作用，是什么意思？

Has such an important role for economic and social role of the Northern Flight Management Unit, how to effectively motivate and manage staff is no doubt it has a vital role in sustainable development,

There is such an important economic role in society and the role of the Soviet North shipping management, how to effectively motivate and management staff is undoubtedly to its sustainable development have a critical role.

Speaking of has the such important economical function and the social function northern Jiangsu navigational affairs administrative office, drove how effectively and manages the staff to have without doubt to its sustainable development the very important function,

Has such an important economic and social role of North Jiangsu shipping management service, how to motivate and manage staff effectively undoubtedly had a crucial role on its sustainable development,

Has such an important economic and social role of North Jiangsu shipping management service, how to motivate and manage staff effectively undoubtedly had a crucial role on its sustainable development,