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The most sustainable building is the one that people love.
Natural gas will play a critical role in the transition to a lower-carbon future.
A culture of continuous learning is the foundation of long-term success.
I am happy and proud of what I have done, but not completely satisfied.
孩子有超强的记忆力,当孩子可以动手操作而仅用眼看时,会记得更好。