To neglect the essential and attend to the trivial; to abandon the fundamental for the incidental; to focus on minor details rather than the core issue.
在学习新技能时，如果只关注表面技巧而舍本事末，就很难真正掌握核心知识。
When learning a new skill, if one only focuses on superficial techniques and neglects the essential, it will be difficult to truly grasp the core knowledge.
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