vacancy可数吗

　　They had a short-term vacancy for a person on the foreign desk

　　他们在国际新闻组有一个短期的空缺职位。

　　I rang the Colonel and asked him to put my name forward for the vacancy in Zurich.

　　我给上校打电话请他推荐我去填补苏黎世的那个职位空缺。

　　A vacancy has arisen which I intend to fill.

　　有一个职位空了出来，我想要补上。

　　His resignation left a vacancy on the board of directors.

　　他的引退给董事会留下了一个空缺。

　　A vacancy has occurred in my office.

　　我的办事处有个空额。