translation.en: And what I love the most about this is really when the students come up to me sometimes afterwards, all surprised and a little confused, and say, "I just spent two hours in this virtual lab, and ... and I didn't check Facebook."
translation.zh: 我对此最爱的一点 就是有时候学生们 在玩过这些之后找到我， 很惊讶、很疑惑地看着我说： “我刚刚在虚拟实验室里 待了两个钟头， 而且……我一直都没刷Facebook。”