Opening: a job that is available 空缺的職位
There are several openings in the sales department.
銷售部有幾個空缺.
Field: a particular subject or activity that somebody works in or is interested in 專業;學科;界;領域
famous in the field of politics/science/music
政界/科學界/音樂界著名的
All of them are experts in their chosen field.
他們在各自選定的專業中都是專家.
This discovery has opened up a whole new field of research.
這個發現開辟了一個嶄新的研究領域.
Hunting: the process of trying to get a job or find a house to buy or rent 找工作;找房子
How's the job hunting going?
工作找得怎么樣了?