The sense of touch is our first language, the original way we interact with the world.
触觉是我们的第一语言，是我们与世界互动的原始方式。
Sustainable fishing practices are not an option, but a necessity if we want to preserve marine biodiversity.
函数的概念在数学中是基础的，而λ演算提供了一种形式化这一概念的方法。