The interplay between syntax and semantics is central to the study of formal languages.
语法和语义之间的相互作用是形式语言研究的核心。
If you don’t fail now and again, you’re not trying hard enough.
The best way to learn mathematics is to do mathematics.
世界充满了神奇的事物，耐心地等待我们的感官变得更加敏锐。