extranetsCOCA¹⁵⁰²³⁷ 基本例句 外延网原型extranet的复数 In an effort to avoid these pitfalls, companies are turning toward an emerging class of Web-based collaboration services for sharing information viaintranets, extranets, and the Internet. 在避免这些陷阱的努力中,各公司正转到新出现的通过内特网、外特网和因特网分享信息的、基于网站的协作服务。1stenglish