And classified recycling

分类回───Classification back;收───collect

How this works: in the back end, Dapper will be analyzing the fields that publishers identify and will apply a layer of semantic classification on top of them.───这样运作的：在后端，Dapper会分析发布者定义的领域，并在上面应用语义分类层。

Pick back to the old traditional garbage classification, new fashion to advocate green civilization.───拣回垃圾分类老传统，倡导绿色文明新时尚。

Because under normal circumstances, people feel the back of classification, one should write the number in parentheses, expressed in the article should be the number of categories.───因为一般情况下，人们感觉分类的后面，打个括号写数字，表示的应该是分类下的文章数目。