adj.无人照看的；无人监督的
Whereas in China exams are at the end of the year, in a foreign university exams are often weekly and assignments require a large amount of unsupervised research. 在中国，考试都是在每学期结束的时候，在国外的大学，考试经常是每周都有，作业也要求大量的无人监督的研究调查。
