sector noun

1 part of the business activity of a country

ADJ. important, key | growing, growth | independent, private | public, state | voluntary | formal | informal | agricultural, banking, business, commercial, corporate, economic, financial, further/higher education, health, industrial, industry, manufacturing, market, primary, retail, service The survey covers a wide range of industry sectors. | rural, urban

PREP. in a/the ~ employment opportunities in the higher education sector

PHRASES a sector of the economy/market

2 part of an area or of a large group of people

VERB + SECTOR divide sth into Berlin was divided into four sectors after the war.

PHRASES a sector of the population/society

You can also check other dicts: sector (English, 中文解释 ), wordnet sense, Collins Definition

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