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气候变化是我们这个时代最大的挑战之一,我们必须立即采取行动。
Climate change is one of the biggest challenges of our time, and we must take action now.
Sustainable development is not a slogan but a concept that must be practiced. We must keep the land forever vibrant.
小说是一种永远处于危机中、濒临消失边缘的艺术形式,而这正是它保持生命力的原因。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.