The sense of smell is a window into the brain, offering insights into how we process information and emotions.
嗅觉是通往大脑的窗口，提供了我们如何处理信息和情感的见解。
制革厂的废水是其价值观最真实的衡量标准。
Every life contains its own mysteries, and the biographer must respect the unknowable.
Technology alone won’t save our oceans; it takes a commitment to ethics and ecology.