translation.en: That's when we wondered: if we, being so well educated, were so ill-informed about menstruation, there would be millions of girls out there who would be ill-informed, too.
translation.zh: 我们怀疑： 如果我们作为受过高等教育的人， 都对月经知之甚少， 其它数百万的女孩知道的就更少了。