I think they do better academically and you can measure that very crudely from the examination results,I also think they do better academically because they have more opportunities to take the leading role in discussions and in managerial responsibilities.
出自-2013年12月听力原文
柯林斯高阶英汉双解学习词典释义
ADJ-GRADED
粗略的;简略的;大概的
A crude method or measurement is not exact or detailed, but may be useful or correct in a rough, general way.