their attendance increased by an average of six days,or nine percent,during a sixty-five-day term.
问题描述：
their attendance increased by an average of six days,or nine percent,during a sixty-five-day term.
答
翻译是：在65天的一个周期里,他们的出勤率平均提高了6天,或者说是9个百分点（以百分比形式的话是9%)其实翻译句子还是要结合上下文的.这里的一个主要用法就是 increase by 后接程度,这个程度可以是一个绝对的数,也可...