1. They still struggle with guilt.
struggle with 与…斗争;与…作斗争;和…斗争
He is engaged in a bitter struggle with his rival to get control of the company.
为取得对公司的控制权,他正同对手进行一场激烈的斗争
。2. Despite the advances made by female executives, things are even more difficult for the vast majority of working mothers.
vast majority 绝大多数
In the vast majority of cases, this should not be a problem.
在绝大多数情况下,这应该不成问题
。3. It is good news that many more women have climbed the corporate ladder, not just in terms of fairness, but because an economy should take advantage of all its potential talent.
take advantage of 利用
Take advantage of low-season airfares.
利用淡季飞机票价
。