数学中最重要的是理解概念,而不仅仅是记忆公式。
The most important thing in mathematics is to understand the concepts, not just to memorize the formulas.
心理的钟摆往返于意义和无意义之间,而不是正确和错误之间。
The biggest problem with the European Union is that it is not a state, but it pretends to be one.
If you can dream it, you can achieve it.