translation.en: Cameras can take pictures like this one by converting lights into a two-dimensional array of numbers known as pixels, but these are just lifeless numbers.
translation.zh: 照相机可以像这样获得照片： 它把采集到的光线转换成 二维数字矩阵来存储 ——也就是“像素”， 但这些仍然是死板的数字。