如果用于客户端一次性访问的服务，由于客户端和STS之间消息交换的原因，实际是增加了开销。

If you use it for a service that clients access on a one-off basis, you'll actually be adding a lot of overhead that's due to message exchanges between the client and the STS.

youdao

RADIUS客户机是网络访问服务器，它通常是一个路由器、交换机或无线访问点(访问点是网络上专门配置的节点；wap是无线版本)。

The RADIUS client, the network access server, is typically a router, switch, or wireless access point (access points are specially configured nodes on networks; WAPs are wireless versions).

youdao

SpringSocial的目标是为那些面向社交的网站(那些与“状态”打交道，或者通过其他方式交换消息的社交服务)提供编程序的访问。

The goal of SpringSocial is to provide programmatic access to social oriented sites (those that deal with a 'status' or have other ways of exchanging messages).

youdao