What principle does the Hyde School operate on?

What principle does the Hyde School operate on? what isiceberg principle? Why do I need to know this information?Why is it quite helpful?What principle does it illustrate?How can I use this information?请翻译 What is Pragmatic Principle? What is Adaption Theory? What the Three A principle in social communications? What does she like? what does Bob do? What does your mother What time does school what does she do? What does tom do? what does friday do What does she do? what does chinese mean What does it mean What does she work? What does sam what does she doing?