All employees can access the parts of the Intranet that are not ring-fenced.
所有雇员都可进入内联网中无使用权限制的部分。
《牛津词典》
2
The instrument is a form of senior debt that is paid back from the issuer's cash flows but is also secured against a ring-fenced pool of assets, such as mortgage loans, in the event of default.