translation.en: In one study, we taught them that every time they push out of their comfort zone to learn something new and difficult, the neurons in their brain can form new, stronger connections, and over time they can get smarter.
translation.zh: 在一项研究中，我们告诉学生们， 每当他们迫使自己走出舒适区， 学习新知识，迎接新挑战， 大脑中的神经元会形成新的 更强的连接， 他们会逐渐变得越来越聪明。