We must not run a newspaper behind closed doors.

我们不能关门办报。

Behind Closed Doors: Secrets of Great management.

《门后的秘密：卓越管理的故事》。

Normally such disputes are resolved behind closed doors.

这种争端通常是在私底下解决的。

Many other proposals are under discussion behind closed doors.

许多其它提议也在秘密讨论中。

There’s more than genetic strategizing going on behind closed doors.

在那关上的门之后，不仅仅是在落实遗传策略。