国际体系的结构迫使国家以某种方式行事,无论其内部特征如何。
Sustainability isn't a choice anymore - it's a responsibility we all share in this industry.
The greatest battles are not fought with weapons, but with ideas.
错误可以被关注事实者纠正,但教条将不会被那些囿于某种信念的人纠正。