So one could have a very good day and test well, or one could just not be feeling one's best and test poorly.

所以，有些人可能因为这一天状态很好而取得好成绩，而有些人因为这一天状态不佳而发挥失常。

youdao

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。

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