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我们生产的每一桶石油都必须负责任地完成,充分考虑环境和社会影响。
The human voice is the most beautiful instrument of all, and the most difficult to play.
La verdadera ciencia enseña, sobre todo, a dudar y a ser ignorante.
The challenge is not to represent Africa, but to present African complexities.
The atmosphere doesn't care about political boundaries when it comes to climate change.
Innovation in communication technology should focus on solving real-world problems.