Lyu Dapeng, a Sinopec spokesperson, created a metaphor to explain the company's move.

The "single window system" is a metaphor for streamlined administration efforts, and means that all export and import procedures can be done in one stop, a trade policy that facilitates cargo clearance.

The "single window system" is a metaphor for streamlined administration efforts, and means that all export and import procedures can be done at one stop, a trade facilitation policy that enables faster and easier cargo clearance.

The "single window system" is a metaphor to describe streamlined administration efforts, which means that all export and import procedures can be done at one stop, a trade facilitation policy that enables faster and easier cargo clearance.

An eminent Chinese scholar on foreign trade studies has rebutted a claim made by analysts and a section of the media that India and some Southeast Asian countries will gradually replace China's role as the "world factory", a metaphor used to describe its major role in manufacturing.

Using a nationwide chessboard as a metaphor, the head of the China Association of Social Security Zheng Gongcheng said the new national system will make the pension benefits fairer.

As a crucial tool for regulating traffic flow, the "traffic light" metaphor sends a clear message that China will step up efforts in smoothing the passage for orderly capital flow and steering it toward stable and healthy development to foster fair competition.