Half way down the coach was a vacant seat.

车厢中部有一个空座。

In every major city there are more vacant buildings than there are homeless people.

各大城市里空置的楼房都比无家可归的人多。

A number of senior people were regarded as likely to occupy the now vacant post.

几位资深人士被认为有望填补现在空缺的职位。

The post of chairman has been vacant for some time.

主席之位已经空缺一段时间了。

She had a kind of vacant look on her face.

她脸上有种茫然的神情。