[填空题] While the meaning of a sentence is abstract and decontextualized， that of an u（） is concrete and context-dependent.

商业职业道德建设的基本原则 教育的相对独立性 时评 简述电位-PH图。 教育制度 While the meaning of a sentence is abstract and decontextualized， that of an u（） is concrete and context-dependent.