The config/routes.rb fileserves the same purpose as before, albeit with a much-simplified and more Ruby-like flavor.
config/routes.rb 文件的功能与以往相同，只不过更加简化、更具有 Ruby 的特色。
2
In effect, the application serves as an inefficient intermediary that gets the data from the disk file to the socket.
应用程序实际上在这里担当了一个不怎么高效的中介角色，将磁盘文件的数据转入套接字。
3
You need a way to cleanse the files of sensitive data, while you retain the specific structural characteristics of the file so it still serves as a good example of the problem.