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worthwhileness

n. value sufficient to repay time or effort spent

1、合价值性

教育的规准 合价值性（Worthwhileness） 合认知性（cognitiveness） 合自愿性（voluntariness）综述﹕知识的来源 感觉（Sense）：感觉器官 理性（Reason）：心...

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