translation.en: These sympathetic smiles spread all throughout the room now, and I realize that all of my other students are in the same boat, that maybe they took notes or they memorized definitions from the textbook, but not one of them really understood the main ideas.
translation.zh: 教室里一下子 充满了赞同的笑声。 我意识到班上所有的学生都是一样的感觉。 他们或许做了笔记，死记硬背了教材中的定义， 但没有一个人真正理解了其中意义。