Because of the intellectual property rights protection, while access to a few E-Resource is free, access to most of E-Resource is restricted.
由于知识产权保护的需要，其中大部分电子资源是限制访问的，只有一小部分是免费访问的。
2
If you have unmapped users, one of the possible reasons could be that objects (E-mail addresses, for example) used for the resource mapping may not have been populated in one of the applications.