take up开始从事……职业,占据（时间、空间）.take over接管.After studying in a medical college for five years,jane take up her job as a doctor in the countryside.翻译：经过五年医学院的学习以后,简开始了...在没有上下文的情况下 我如何判断得出这个乡村里医生这一个职业之前是没有人做得？归根到底还是语感吗...