ADJ-GRADED [usually ADJ n]普通的;一般的;平凡的;不突出的 A run-of-the-mill person or thing is very ordinary, with no special or interesting features. 普通的;一般的;平凡的;不突出的 [disapproval]
I was just a very average run-of-the-mill kind of student.
我只是一个普普通通的学生。
For many they clearly represent an alternative to run-of-the-mill estate cars.