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.

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。

youdao

Facebook is "not necessarily great for meeting one-off people that you might give a service and then never see them again."

Facebook“对于这种一次性见面，其好处并非多么必需，因为你服务一次也许就跟他们再也不见面了”。

youdao

The service remains one of the few income sources that hasn't been closed off to the controversial whistleblowing website in recent weeks.

近几周内关闭了一些有争议的揭秘网站的捐款渠道，因此，这项服务就成为它们为数不多的收益来源。

youdao

The current set up allows a degree of flexibility with the setting of occasional days such as one-off local holiday and in-service days.

BBC: Clackmannanshire consultation on school holiday changes

Going the digital route has certainly been a growing trend -- 3M recently launched a Cloud Library lending service while one Austrian town kicked off its own unique e-book repository based on stickers equipped with QR codes and NFC chips.

ENGADGET

North Yorkshire County Council said it would meet on 6 November to consider a one-off grant to the South Yorkshire Credit Union to establish a new service in the county.

BBC: North Yorkshire Credit Union collapses