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We must strengthen international cooperation to jointly address the challenges of energy security and climate change.

Words are the only thing that can last forever.

The secret of change is to focus all of your energy not on fighting the old, but on building the new.

建筑是一門社會藝術。

你有敵人？很好。這說明在你的生命中的某個時刻，你曾經吶喊過。