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学习的意愿是一种内在动机,其来源和奖励都在于其自身的实践。
翻译:各种事情根据类别而聚集,万物根据类别而分为不同的群体。
When you hold a piece of aggregate, you're holding millions of years of earth's history.
The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.
渔业的未来在于与海洋生态系统的和谐共处。
The more personal a work is, the more universal it becomes.