In the computer industry, engineers have to retool frequently.在电脑业中，工程师必须经常以新知识充实装备自己。She works in the computer business.她从事电脑业。There have so far been few attempts to end the domination of one or two companies in the computing industry.到目前为止几乎没有尝试过结束电脑业由一两家公司垄断的局面。