The extra classes can help students to get ahead in their studies.

VOA: special.2010.06.18

She's done fantastic work, showing how people who help-- whether it's helping five extra acts during the week-- it can be more; doesn't have to be restricted to five-- or people who help five extra acts during one day, it's actually contributing to their wellbeing.

她很好地，证明人们-,不论是在一周内多做五件好事-,可以更多;,不必局限于五件-,或者人们在一天内多做五件好事，都能让他们更幸福。

哈佛公开课 - 幸福课课程节选

And I really need an extra day off that would help me a lot.

我真希望能多休息一天，这对我有很大的帮助。

I'd like 实战 - SpeakingMax英语口语达人