4. A rather similar process of differentiation has led to professional geologists coming together nationally within one or two specific societies, whereas the amateurs have tended either to remain in local societies or to come together nationally in a different way.
[参考译文] 一个颇为相似的分化过程已经导致专业的地质学家走到一起组成一到两个全国性的专科学术社团，而业余地质爱好者们倾向于要么仍留在地方社团，要么也以另一种方式组成全国性机构。
5. A lateral move that hurt my pride and blocked my professional progress promoted me to abandon my relatively high profile career although, in the manner of a disgraced government minister, I covered my exit by claiming "I wanted to spend more time with my family."
[参考译文] 一次侧面的不光明磊落的攻击伤害了我的自尊，阻碍了我事业的发展，使我不得不抛弃了那份引人注目的工作，尽管表面上我还要以一个蒙受屈辱的政府部长的姿态，通过声称"我只不过是想多和家人呆在一起" 来掩盖我的退出。
