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Sustainability is not just a trend, it's a responsibility.
可持续发展不仅是一种趋势,更是一种责任。
Markets are not perfect, but well-designed ones come close.
释义:阿那克西米尼可能将冷和热看作是气疏密变化的表现,气被压缩则变冷,气被稀释则变热。