失落的主题在他的许多诗歌中反复出现。
The theme of loss ___recur in many of his poems.
在她的梦里,同一个噩梦会一夜又一夜地重现。
In her dreams, the same nightmare would ___recur night after night.
如果没有适当的维护,这些技术问题肯定会再次发生。
Without proper maintenance, these technical issues are bound to ___recur.