1. According to one psychological expert, when men gain a little gray hair, their appeal often increases because, for them, age implies power, success, wealth, and position.
    据一位心理学专家说，男人头发有点花白通常增添了他们的魅力，因为对他们而言，年龄意味着权力、成功、财富及地位。

2. In this way, students gain great insight from their peers, learning from each other as well as the instructor.
    这样，学生可以从同龄人那里获得真知灼见，既向老师求教，又互相学习。

3. For the student to gain admission, parents also must agree to accept and demonstrate the school's philosophies and outlook.
    为了使孩子被该校录取，家长也必须同意接受并实践学校的思想和观点。