你透露得越少,人们就越会好奇。
教育学中的实验方法不仅是研究的工具,更是所有教育实践的基本原则。
"The future is not something we enter, but something we create."
The American farmer is the only man in our economy who has to buy everything he buys at retail, sell everything he sells at wholesale, and pay the freight both ways.