Officials said the gap was a result of women taking time off work to concentrate on bringing up their children.

　　有关官员说，造成这一差距的原因是女性要抽出时间照顾孩子。

　　Vocabulary:

　　league table:a table that shows how well institutions such as schools or hospitals are performing in comparison to each other （学校、医院等的）排名表

　　tackle:to make a determined effort to deal with a difficult problem or situation 应付，处理，解决（难题或局面）（Mr. Wells tackled the difficult problem, but he couldn't solve it. 威尔斯先生处理过这一难题，但未能解决。）