一排书之间有很多空缺，但桌上或床上没有几本书啊。

There were gaps in between the books, but few books by the bed or on his desk.

youdao

很多企业实际上有不少职位空缺，但难以找到称职人选。

Many companies actually have slots available, but cannot find people qualified to fill them.

youdao

因此如果你11：00过来参加考试，还会有很多的教师的，因此，我们希望有些空缺。

So if you take the test at 11:00 come here, but there is a plurality of rooms because we want to have some vacancies here.

youdao

So if you take the test at 11:00 come here, but there is a plurality of rooms because we want to have some vacancies here.

因此如果你11：00过来参加考试，还会有很多的教师的,因此，我们希望有些空缺。

麻省理工公开课 - 固态化学导论课程节选