translation.en: Basically, I take my mobile phone -- most students already have these, smartphones -- and I plug it into this virtual-reality headset, a low-cost headset.
translation.zh: 基本上，我只用我的手机—— 大多数学生都有这种智能手机， 然后把它接到这个 低成本的虚拟现实头盔上。