But the key idea behind professionalization, argues Mr. Menand, is that "the knowledge and skills needed for a particular specialization are transmissible but not transferable."

但是，莫南德先生认为，专业化背后的关键理念是：“对于某一特定的专业来说，所需知识和技能可以传授，但不可以转让。”

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For some students in South Korea, the key to success is not washing their hair before an exam, because they believe they could wash all the knowledge out of their heads.

对于一些韩国学生来说，成功的关键在于考试前不要洗头，因为他们认为这样会洗掉脑袋里的知识。

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"Teachers, with their hard work, affection and stimulating interaction with children, not only transfer information, knowledge, and new skills to their pupils, but also play a key role in making the teaching-learning a joyful and participatory phenomenon".

UNESCO: EDUCATION