I'm going to think about it in 3D space. So now, instead of it just being a letter that's in front of me, it's a space that my body can go inside of.
我要想象它存在于一个3D空间里。所以现在， 它不仅仅是一个字母在我面前， 而是一个空间，我的身体可以走进其中。