模仿句子：At its most basic, it's a system built around internet companies that serve as marketplaces, matching people who provide a service with others looking to pay for it. 

翻译：互联网企业充当了市场，共享经济根本上是一个围绕这些互联网企业的体系，这一体系将提供服务的一方与愿意支付的人们匹配起来。