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Sustainable infrastructure should balance economic, social and environmental benefits.
世界上最好和最美丽的东西是看不见甚至摸不着的——它们必须用心去感受。
Mathematics is the science of patterns, and nature exploits every possible pattern.
Men become civilized, not in proportion to their willingness to believe, but in proportion to their readiness to doubt.
每一个挑战都是一个伪装的机会。