He says that brain change is strongest when a) you are interested in and like what you are learning, b) you are in control of what you learn and c) you get challenging tasks that make you think hard.

他说，当你 a）对你正在学习的东西感兴趣并且喜欢它，b）你能控制你所学的东西，c）你接受有挑战性、让你努力思考的任务时，大脑的变化是最剧烈的。

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B What languages are you learning now?

B你现在在学哪种语言？

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“They're learning the physical skills of dentistry from the very beginning,” said Dr. John B. D. Featherstone, dean of the UCSF School of Dentistry.

“他们正从最初的动手能力学起，“约翰·费瑟斯通说，他是UCSF牙科分校的院长。”

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With a great data system and assessments in place along with a large user base, the platform will be able to start to do A-B testing between different videos to be able to personalize learning for each student.

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