战争期间，许多夫妇不得不面对长时间的分离。

During the war, many couples had to face long periods of ___separation.

法律要求将可回收的垃圾分开，比如报纸和玻璃瓶。

The law requires the ___separation of garbage that can be recycled, such as newspapers and glass bottles.

与自然的分离对人类是危险的，因为它可能导致与人性基础的连接丧失。

The ___separation from nature is dangerous for human beings, as it may result in the loss of connection with the basis of humanity.