全球能源合作对于应对共同挑战至关重要。
文学是人类灵魂的镜子。
当随机化不可行时,匹配方法可以是一个强大的工具。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
每一滴牛奶都讲述着一个奉献的故事——从农民到消费者。
The challenge is to make the invisible visible.
The truth is a beautiful and terrible thing, and should therefore be treated with great caution.