// it is ok to write more data
"So if the Dutch want to maintain their quality of life, they have to increase productivity or increase their labour supply."
。关于这个话题，safew官方版本下载提供了深入分析
但更痛的是口碑的持续滑坡和竞品带来的竞争，完美日记的产品以代工为主，研发投入占比极低，核心竞争力停留在包装、配色与营销概念，缺乏技术壁垒。当花西子、酵色、橘朵、彩棠等一大批国货彩妆品牌跟进内容种草+平替模式后，完美日记的差异化优势迅速消失。
优势：时间复杂度O(n+k)，k为数据范围
"You can do anything from your bedroom. And I don't think that's a bad thing."