We have to own our mistakes and learn from them.
我们必须承认自己的错误并从中吸取教训。
文章贵在简洁，简洁则明了；贵在真实，真实则贴切；贵在变化，变化则生动。
Diplomacy is not only about affairs between nations, but also involves global issues and the interests of all humanity.
我们必须向自然学习如何高效利用资源。
In chemistry, as in life, the most transformative reactions often require patience and precise conditions.