求翻译：二、业务素质大学生都具有一定的专业知识和理论水平，而且求知欲强，喜欢探索，这就要求学生干部有较高的业务素质和合理的知识结构。是什么意思？

Second, the professional quality of college students have a certain professional knowledge and theoretical level, and strong thirst for knowledge, like to explore, which requires the student leaders have a high professional quality and a reasonable knowledge structure.