domain knowledge

Domain knowledge" refers to the understanding and expertise in a specific field or subject matter. It includes both theoretical and practical knowledge, as well as familiarity with the terminology and concepts specific to that domain. For example, a software developer with domain knowledge in healthcare would have a deep understanding of the healthcare industry, as well as the specific technologies and systems used in that field.
「領域知識」是指對某一特定領域或主題事項的理解和專長。它包括理論和實踐知識，以及對該領域特定術語和概念的熟悉程度。例如，一個具有醫療領域知識的軟件開發人員會對醫療行業以及該領域使用的具體技術和系統有深刻的理解。(DeepL 直接翻譯)

Things you know that others don’t.
那些你知道「別人不知道的事」。