requires fs, process; declares the capabilities this script needs. The host must provide both, or the script won’t run.
// Equivalent — but the grouped form is cleaner。业内人士推荐新收录的资料作为进阶阅读
，详情可参考新收录的资料
p(x)=\sum_{i=0}^{n}y_i l_i(x), which fits our set of input points:，详情可参考新收录的资料
Both, looking at their reddit feeds and getting awed by the pictures of Moon, Jupiter, Saturn, Orion Nebulae and what not, clicked by people all around the world.