translation.en: And at first, I found this quite a difficult thing to get my head around, but one way that helped me to think about it is, I can see, I've got over by my seat a bottle of water, right?
translation.zh: 开始的时候，我很难想通这件事 但一个让我理解这件事的方法是 我能看见，我座位上有一杯水，对吧