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破坏其土壤的国家就是自取灭亡。
The nation that destroys its soil destroys itself.
Diversity in thought and background isn't just good ethics - it's good business.
世界上充满了显而易见的事情,却没有人注意到。
东西方的融合不是碰撞,而是智慧的共舞。
A proof is a device for convincing someone else that a mathematical statement is true.