区分 empty blank hollow vacant
问题描述：
区分 empty blank hollow vacant
我的意思是，给个例句，方便区分...
ABCD就是这4个词，让我选，选错了....
Please inform me as soon as possible once there is a(n)____position in the branch office.
空上填一个词，就从那4个词里面选一个...
我问题的重点是：如何区分这4个词，最好附上例句~
答
vacant
(职位）空缺的
Are there any vacant positions in your firm?
你们公司有空缺吗?
The top post in the delegation was still vacant.
代表团中的最高职位仍空着.