Definition: a subject or area of knowledge, work, etc. Level: C1
在现代民主国家，媒体独立于政治领域运作。
In modern democracies, the media operates independently of the political ___sphere.
她在商业领域拥有丰富的经验。
She has extensive experience in the commercial ___sphere.
他的研究超出了我的专业领域范围。
His research lies outside my ___sphere of expertise.
