一个人可能发生的最糟糕的事情就是失去希望。

You are too generous to trifle with me. If your feelings are still what they were last April, tell me so at once. My affections and wishes are unchanged, but one word from you will silence me on this subject for ever.

"I am not interested in the individual fate of the characters, but in the social conditions that produce such fates."

Sustainability isn't an option; it's the only path forward for responsible agriculture.

The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.

The best mining projects are those where local communities become true partners, not just stakeholders.