国际体系的无政府性质迫使各国将自身生存置于一切之上。
Collaboration across industries is the key to unlocking breakthroughs in green chemistry.
History has neither the desire nor the capacity to make men better or worse; it merely records what they have been and what they have done.
在词语之间的沉默中,真相往往存在。
The only competition I have is myself.