the teaching methods and principles 教学方法及原则
the principles of teaching 教学原理
the principles of situation teaching 情境教学的原则
the teaching principles
教学原则
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Chuck traveled over 4 million miles teaching his principles of The Game of Work, and he laughs as he notes that is a sign of a life misspent.
FORBES: 5 Gamification Rules from the Grandfather of Gamification
It follows the principles I've used in investing since I started my firm in 1985, and I've been teaching at Columbia for the past 14 years and these are the principles I've used to teach.
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