教育学中的实验方法不仅是研究的工具,更是理解教育过程的基本原则。
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
写作的行为是一种乐观的行为。如果你觉得它不重要,你就不会费心去做。