外交家应该具备灵活性和适应性，以应对快速变化的国际环境。
Diplomats should possess flexibility and adaptability to respond to rapidly changing international circumstances.
塑造经济活动方向的激励是制度框架的函数。
Language is a process of free creation; its laws and principles are fixed, but the manner in which the principles of generation are used is free and infinitely varied.