坚持以经济效益为中心是财务管理的永恒主题和根本任务。
Insisting on taking economic benefits as center is the eternal topic and basic assignment.
读者服务是图书馆工作中永恒的话题，是图书馆的根本任务，也是图书馆的存在价值之所在。
Reader service is an eternal topic in the work of the library, it is a basic task of the library, and it is the existence value of the library too.
虽然时代的伟大乐章在不停地演奏，但我们这个任务是永恒不变的。
Though we march to the music of our time, our mission is timeless.
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