求翻译：各部门应该明确各部门、各岗位工作职权和权限。坚持工作书面化原则。减少部门间不必要的扯皮现象，缓和人际关系，提高工作执行力。是什么意思？

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All departments should be clear by all departments and their work mandates and competence. Upholding the principles of writing. reducing inter-sectoral unnecessary buck-passing" phenomenon, and improve working relationships and to ease their implementation.

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Each Department should be clear to all departments, all working terms and permissions. Adhere to the principle work of writing. Reduce unnecessary shifting blame between departments, easing human relations, improving our execution.