1·Perspective projection works like the real world: when you look down a long, straight road, it seems that the road's boundaries meet at a point at the horizon.
透视投影与真实世界中的情况比较类似：当您俯视一条又长又直的道路时，道路两边看上去似乎在地平线处交汇了。
2·One day, I will go to the top, but I would never look down on you, and guide the direction of your life.
有一天，我也会到那上面去的，但我将永远俯视着你，指引你生活的方向。
3·He did not understand her remark, but later on he happened to look down and saw that his zipper was open.
他不理解她的话，但后来他正好俯视看到，他的拉链被打开。
4·On what basis to use your posture to look down the world?
在什么基础上使用你的姿态，俯视世界？