北极仅有一盏路灯,南极也只有一盏;唯独北极的点灯人和他南极的同行,过着闲逸懒散的生活:他们每年只工作两次。
Diplomats should possess flexibility and adaptability to respond to rapidly changing international circumstances.
The best technology is invisible. It works so well that you don't even notice it.