求翻译：造成男士和女士参加工作后工资差别日益增大的另一个重要原因是，即便在可以相比的职业中，妇女常常在职业生涯的关键时候退出工作来操持家庭。我们的研究反复表明在25岁至35岁的年龄段，坚持不懈地努力工作对取得晋升及工作保障至关重要。而正是在这个年龄段，妇女可能会生小孩并开始在收入上落后于男士。是什么意思？

Another important reason is that the men and women to participate in the work of increasing wage differentials even in comparable occupations, women often exit a critical time in the career work to caring for their families. Our research repeatedly shows that persistent work hard at the age of 25 to