[] a company that is involved in only one type of business单一业务公司◆Some companies remained newspaper pure plays, while others went ahead and bought TV stations.某些公司仍然从事单一的报纸业务，而另外一些公司则寻求发展，购买了电视台。◆They are the largest pure-play provider of financial services in Europe.他们是欧洲最大的专门提供金融服务的机构。