这句话里我们也可以用primary role。 Anti-social behaviour has been identified as a major problem by local police. 反社会行为被地方警察局确认为重大问题。这里可以用main 来替代。英语中没有“prime problem”或者“primary problem”的说法。 The prime suspect of ...

Pollution is a major problem in many cities. It's just a little cut, nothing major. 3.“Major” 在美式英语中，作名词使用，可以指 “大学专业，主修科目”。 Economics is my major, so I need to get good marks. I studied History as my ...