So, they create an interface masquerading as an office filled with desks, file cabinets, telephones, and address books, or as a pad of paper or a street of buildings.

于是他们创作的界面或者是摆满了办公桌、文件夹、电话和参考书的办公室，或者是像一沓纸或者一条布满各式建筑的街道。

youdao

Machines inside of your network can be partially concealed through IP masquerading (the version of Network Address Translation most used in Linux).

CNN: Analysis: Linux security