The mayor of Thneedville deprives the city’s residents of trees so a company he heads can sells bottles of air. He has, as one advertising lackey puts it, “gotten rich selling people air that’s ‘fresher’ than the stinky stuff outside”.
在 Tbox 选择「文档 / 文章 / PPT」模式，用 Ling 把结果整理成可交付文档（负责“写清楚、排结构、可分享”）
，这一点在safew官方版本下载中也有详细论述
6️⃣ 快速排序 (Quick Sort)
# What you gain