Before, effort and difficulty made them feel dumb, made them feel like giving up, but now, effort and difficulty, that's when their neurons are making new connections, stronger connections.
在此之前，努力与困难 让他们感觉自己很笨， 让他们想放弃， 但如今，正是努力与困难让 他们大脑中的神经元得以形成新的连接， 更强的连接。