Make certain that you store regions in such a way which you can retrieve all your locations from regional storage afterwards. 不过这种情况多数是发生在个人写手或者不靠谱的机构。例如一些没有良心的机构因为代写的论文出现大量抄袭，导致学生被抓和代写机构被曝光。如果代写机构提供�