[] () a particular area of activity or business; a part of a country's economy 领域；部门；行业◆the banking/business/financial/IT sector 银行／商业／金融／信息技术领域◆weak sectors of the economy 经济效益欠佳的行业◆service-sector jobs (= in hotels, restaurants, etc.) 服务业的工作▸sectoral /ˈsektərəl/ ( sectorial /sekˈtɔːriəl/)
adjective
◆a sectoral study 行业研究corporate sector market sector primary sector private sector public sector secondary sector tertiary sector third sector