There are also fears about security - that, for example, prisoners will volunteer to donate organs as part of an elaborate escape scheme.

当然还有安全方面的担忧——比如，囚犯自愿去捐献器官，或许是其精心策划的越狱计划的组成部分。

youdao

It's a chance for inmates to pick up a new hobby, but it's also a part of the prison's dynamic security strategy: occupied prisoners are less likely to lash out at guards and one another.

这是犯人们培养新爱好的一个机会，但同时也是监狱的动态安全策略的一部分：全心投入到一件事情中时，犯人很少会和狱警或狱友发生冲突。

youdao

(Sometimes, inmates are given permission to marry if they work very hard and find favor in the eyes of the State Security agents). This was how both my brother and I were born as political prisoners.

我的父母在价川服刑之际，他们被准许结婚（有时候，如果一些囚犯工作很卖力，被国安机关的人看顺眼了，就可以获得结婚的权利）这也是为什么我和我哥哥都天生是囚徒的原因.

youdao

Most high-security prisoners are sick while there and are often transferred to other facilities when their health improves.

WSJ: Tsarnaev Is Getting Care and High Security

The range of Devens inmates also includes a cadre of low-security prisoners who cut the lawns and do other groundskeeping work.

WSJ: Tsarnaev Is Getting Care and High Security

Barlinnie, in particular, provided its top-security prisoners with considerable freedom to develop skills, to study and to associate within a secure environment.

ECONOMIST: Prisons