over本义为“在……上”,可做后置定语,形成“名词+over…”搭配,意为“在……上的……”或“对……的……”,如:
- an advantage over…,对……的优势
- control over,对……的控制
- victory over…,对……的胜利
- concern over…,对…的担忧
- disagreement over…,在……上的不一致
- debate over…,在…上的争论
例:Today the debate continues ____ how well the gray wolf is fitting in at Yellowstone. (2017全国卷III)
答案:over;句意:今天,对于狼在黄石公园适应情况的争论仍在继续。