2.This is true regardless of how we classify the service.
不论我们如何分类服务,这一点都是不变的。
3.Men in the post office classify mail according to places it is to go.
邮局里的人员将信件按寄送地点分类。
4.If we classify these users by project, then, from a project-by-project point of view, the defect database appears to be unique for each user and each project.
5.After all, the effort to classify and categorise disorders of something as complex as the human mind—especially when that categorisation is done by committee—is unlikely to please everybody.