We must strengthen international cooperation to jointly address the challenges of energy security and climate change.
Every miner's contribution is vital to keeping the lights on.
當(dāng)事人應(yīng)置身于利害之外，提出倡議的人則應(yīng)設(shè)身于利害之中，才能知道利害得失。
國際體系的無政府性質(zhì)迫使國家爭奪權(quán)力。
數(shù)學(xué)的目標是理解宇宙的模式。