the main part of a particular activity where most of the work or business is done; the place where most work or business is done 核心区◆The school offers courses in three core areas: business reasoning, social knowledge and interpersonal skills. 学校开设的课程包括三大核心领域：商业论证、社会知识和人际沟通技巧。◆We have more readers in our core area than any other newspaper. 我们在主要版面比其他任何报纸有更多的读者。
() one of the essential parts of a particular job 核心领域◆In your appraisal your work will be evaluated in five core areas. 将在五个核心领域对你的工作进行评价。